The elements in a row all have the same number of electron shells and in same coloumn they have same number of electrons in the outer orbital
What qualities do the members of a group share? Why?Because they all have the same amount of electrons in their outermost shell, or the face they present to the outside world, a set of elements frequently looks and behaves similarly. For instance, the group 18 elements, which are located on the extreme right side of the table, have entirely full outer shells and are infrequently involved in chemical reactions.
So, in same coloumn they have same number of electrons in their valence shell and in same row they have same number of atomic Orbitals.
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is the world safe place for animals and plants?
Guys pls answer it
Answer:
No it isn't
Explanation:
Nothing is ever safe everything is constantly trying to kill you and the same goes for animals. Wether it be humans or other animals and even their own bodies.
Answer:
Wildlife sanctuary is the place where wild animals are protected in their natural habitat. Here poaching or capturing the animals is prohibited. Biosphere reserves are the area used to conserve biodiversity like plants, animals and microorganisms. It contains many wildlife sanctuaries and national parks.
Explanation:
what is the force that causes the fi ltration of the blood by capillaries in the kidneys to occur?
The force that causes the filtration of the blood by capillaries in the kidneys to occur is known as glomerular filtration pressure or net filtration pressure.
It is a combination of three pressures:
Glomerular hydrostatic pressure: This is the pressure of the blood against the walls of the glomerular capillaries. It is the primary driving force for filtration and tends to push fluid out of the capillaries and into the renal tubules.
Capsular hydrostatic pressure: This is the pressure exerted by the fluid already present in the renal tubules against the walls of the tubules. It tends to oppose filtration by pushing fluid back into the capillaries.
Blood colloid osmotic pressure: This is the pressure exerted by the proteins in the blood, which tend to pull fluid back into the capillaries.
The net filtration pressure is the difference between the glomerular hydrostatic pressure and the sum of the capsular hydrostatic pressure and the blood colloid osmotic pressure. A positive net filtration pressure results in filtration of the blood, while a negative net filtration pressure results in reabsorption of fluid back into the capillaries.
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Please help! EXTRA points
Will mark brainliest!
If you don’t know the answer please don’t type in random stuff.
Answer:
Yy xYy
Explanation:
Helpppp
A community needs more electrical energy. The community is located in an area with the following characteristics : Average wind speed of 15 to 20 mph . One small river with slow currents Rainy conditions most of the year No coal or oil deposits Based on this information, which alternative energy source should the community consider investing in?
A Biopower
B hydropower
C Solar energy
D Wind energy
I’ll make you Brianlist if you give me the correct answer.
Which student made observations of a community of organisms?
Answer :student 2
I had the same question in my test
Which of the following is a task a forest engineer performs?
performing DNA testing on wood samples
determining costs of environmental preservation
enforcing policies on lumber harvesting and trade
pricing and selling harvested trees from clear cuts
Answer:
The answer is B (determining costs of environmental preservation)
Explanation:
Forest engineers plan/direct programs for forest harvesting, reforestation, prevention and control for forest fires, environmental protection, and insect and disease outbreaks.
Using this information, we can clearly cross of A, C, and D. Leaving us with B, which completely lines up with our information on the job.
GIVING 100 BRAINLY POINTS AND BRAINLEST.
Part A Cut a 7-inch-diameter circle out of card stock. Draw a spiral on the circle as shown. Next, use the scissors to cut along the lines you drew starting on the outside and ending in the center. Use the hole punch or scissors to make a hole at the middle of the spiral and attach the thread with a knot. Tie the other end of the thread loosely around the center of the stick so you can suspend the spiral in the air. Fill the pot with 2 inches of water. Heat the water until it boils, and then turn off the heat source. Let the pot sit for 4 minutes. Holding the ends of the stick with the spiral attached, position the bottom of the spiral right above the top of the pot so it’s not touching the water. Describe what happens.
Answer:
the spiral stick wouldnt be wet because it isnt touching the water, so therefore the sprial stick wouldnt be hot because it isnt touching the water.
Explanation:
Answer: yeah it’s 50.
Explanation:
is science measurable and repeatable ?
Answer:
Scientific Hypotheses are Tested by means of Repeatable Observations. Every scientific hypothesis ultimately stands or falls based on whether it fits with observed data. The best kind of data comes from experiment, in which the details of the situation are specified by the scientist and may be freely repeated or varied in order to see how the outcome changes.
Explanation:
Answer:
science is repeatable
Evidence that some species have changed over time can be found in ?
O The fossil record
O a single individual fossil
O rocks
Oliving fossils
Answer: The Fossil Record
Explanation:
what is considered as the amount of matter in an object?
A.solid
B.liquid
C.volume
D.matter
What is considered as the amount of matter in an object?
The correct answer is Mass.
~ The right answer isn't included in the given choices. Perhaps the answer should be none of the above? Or letter D. is supposed to be Mass? Mass is known as the amount or measure of matter in an object.
Volume on the other hand is the measure of space that an object/matter occupies.
What does the term organelle mean, literally?
Answer:
it literally means :
any of a number of organized or specialized structures within a living cell.
Explanation:
GOo-GlE said so
Which of these statements is true of using melting and boiling points to identify a substance? Text to speech A:A. It is an effective method to identify gas molecules. B:B. It is the most affordable way to identify a substance. C:C. It is a property that changes based on the amount of a substance you have. D:D. It is a property that does not change regardless of the amount of a substance you have.
Answer:
D:D. It is a property that does not change regardless of the amount of a substance you have.
Explanation:
Melting and boiling points are two chemical properties of a substance. These are used to identify whether a substance is solid, liquid, or gas.
The melting point is the temperature at which solid-state changes into liquid state. The boiling point is defined as the temperature at which liquid changes to gas.
The melting and boiling point are intensive properties that are independent of the amount of substance to be identified.
Hence, the correct answer is "D. It is a property that does not change regardless of the amount of a substance you have."
Explain the following statement:" nothing in science can be absolutely proven no matter how much evidence is collected."
Answer:
The statement "nothing in science can be absolutely proven no matter how much evidence is collected" means that scientific theories and hypotheses can never be proven beyond any doubt, no matter how much evidence is gathered. This is because scientific theories and hypotheses are based on evidence, and as new evidence is discovered, theories and hypotheses can be revised or disproved.
Explanation:
The phrase "nothing in science can be absolutely proven no matter how much evidence is acquired" suggests that scientific ideas and hypotheses can never be confirmed beyond a reasonable doubt, regardless of how much data is gathered.
Explain the following statement:" nothing in science can be absolutely proven no matter how much evidence is collected."The phrase "nothing in science can be totally confirmed no matter how much data is gathered" alludes to the concept that scientific ideas and knowledge are always provisional and open to change in the face of fresh evidence or other explanations. The purpose of science is to accumulate data that supports a certain explanation for a phenomena, but this evidence is constantly susceptible to modification and refining as new information becomes available. As a result, in science, ideas are regarded "supported" or "well-established" based on the available data, but they can never be considered fully proven since new information that challenges or modifies the present interpretation might always emerge.
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Out of the following age groups, which has changed significantly the most over time in the United States? Ages under 5 years Ages above 80 years Ages 25 to 34 years Ages 35 to 44 years
Answer:
Explanation:
The estimated population of the U.S. was approximately 331.89 million in 2021, and the largest age group was adults aged 30 to 34. There were 11.67 million males in this age category and around 11.43 million females
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what are the uses of genetically engineered spider silk? please choose the correct answer from the following choices, and then select the submit answer button. answer choices durable clothing biocompatible bone screws bulletproof military vests biocompatible sutures durable clothing, biocompatible bone screws and sutures, and bulletproof military vests
The correct option is A, the uses of genetically engineered spider silk are durable clothing, biocompatible bone screws and sutures, and bulletproof military vests.
Durable clothing refers to specialized protective gear that is worn to minimize the risk of contamination, injury, or infection in laboratory settings. Durable clothing includes lab coats, gloves, safety goggles, and face shields, which are made from materials that are resistant to chemicals, radiation, and physical hazards.
The primary purpose of durable clothing is to provide a barrier between the wearer and the environment, preventing the transfer of biological or chemical agents. For example, lab coats and gloves are designed to protect the skin from exposure to hazardous chemicals or biological samples, while safety goggles and face shields protect the eyes and face from splashes and aerosols.
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Complete Question:
what are the uses of genetically engineered spider silk?
Please choose the correct answer from the following choices, and then select the submit answer button. answer choices
A). durable clothing biocompatible bone screws bulletproof military vests .
B). biocompatible sutures durable clothing.
C). biocompatible bone screws and sutures, and bulletproof military vests
Which of the following are reactants of photosynthesis?
A.6CO2 + 6H2O + Energy
B. C6H12O6 + 6O2
C. CO2 + H2O + Energy
D. C6H12O6 + O2
The standard way to write the photosynthesis process is:
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
The correct option is B.
What is Photosynthesis?Green plants receive their food (glucose) through the process of photosynthesis, which uses solar energy.
In the plant organelle called the chloroplast, photosynthesis takes place. It includes a number of biochemical procedures, but can be reduced to the following equation:
6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂
According to the equation above, the photosynthetic process requires 6 moles of carbon dioxide, water, and energy as reactants.
Briefing:This signifies that the products, a sugar molecule and six oxygen molecules, are created by the light energy acquired by chlorophyll (implied by the arrow) from the reactants, six carbon dioxide molecules as well as six water molecules.
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Day 1 Values and beliefs
What is the difference between a value and a belief?
When prescribing a fibrate, the NP expects to see which of the following changes in lipid profile?
A. marked decrease in LDL level
B. increase in HDL level
C. no effect on triglyceride level
D. increase in very low-density lipoprotein (VLDL) level
Fenofibrate is an agonist of the peroxisome proliferator-activated receptor (PPAR) that improves lipid profiles, particularly by increasing HDL and lowering triglycerides (TG). The correct answer is (B).
A decrease in plasma triglyceride-rich lipoproteins (TRLs) is the effect of fibrates that is most pronounced. HDL cholesterol (HDL-C) levels typically rise when baseline plasma concentrations are low, while LDL cholesterol (LDL-C) levels typically decrease in people with elevated baseline plasma concentrations.
Fibrates increase cellular fatty acid uptake, conversion to acyl-CoA derivatives, and catabolism by the beta-oxidation pathways. This decrease in VLDL production is accompanied by a decrease in fatty acid and triglyceride synthesis.
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(one word) stress theory states that aging wears down certain internal body systems, which lowers resistance to stress and disease.
The stress theory and aging is not entirely accurate. The stress theory of aging suggests that exposure to chronic stress over time can contribute to the deterioration of certain internal body systems, leading to an increased vulnerability to stress and disease.
It is important to note that aging itself is a complex process influenced by various genetic, environmental, and lifestyle factors.
While it is true that certain internal body systems may experience changes and decline with age, it is not solely attributed to the wearing down of these systems. Aging involves a multifaceted interplay of physiological, cellular, and molecular changes that can affect the functioning of different organs and systems in the body.
Factors such as genetic predisposition, lifestyle choices, cumulative exposure to environmental factors, and overall health status all contribute to the aging process and the development of age-related diseases. Additionally, stress can have various effects on the body, including physiological and psychological responses, but it is not the sole determinant of the aging process.
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When a person absorbs more glucose from their diet than they need, the excess
is stored as glycogen in the muscle and liver cells, and stored as fat in the adipose (fat) cells.
is stored as ATP in the muscle cells.
is flushed from the system as waste.
is stored as complex sugars in the fat cells.
is stored as simple sugars in the muscle and liver cells.
Which option ^ is correct help!
Explanation:
is stored as glycogen in the muscle and liver cell andstored as fat in the fat cell
Choose one of the statements below that is true
Cellular respiration converts the reactants' oxygen and glucose into carbon dioxide, water, and energy. The reverse reaction of photosynthesis converts reactants of carbon dioxide and water into oxygen and glucose. These two reactions are part of which biogeochemical cycle?
Answer:
Photosynthesis and Cellular respiration take place in the carbon cycle
Explanation:
One of 4 biogeochemical cycles
carbon cycle
Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants need to get rid of carbon dioxide gas through a process called respiration.
Photosynthesis removes carbon dioxide from the atmosphere, while cellular respiration releases it into the environment. Cellular respiration and photosynthesis are significant carbon cycle processes. The carbon cycle refers to the procedures used to recycle carbon in the biosphere.
What cellular respiration in biogeochemical cycle?The exchange of carbon between the biosphere, geosphere, hydrosphere, atmosphere, and pedosphere occurs in one of the biogeochemical cycles. Photosynthesis occurs when carbon dioxide and sunshine are combined in green plants.
Therefore, living beings release carbon into the atmosphere. You emit carbon dioxide (CO2) into the atmosphere with each exhalation. Through a process known as respiration, organisms such as animals and plants must expel carbon dioxide gas.
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Which describes an old technology and a current technology that can fulfill people’s needs?
emerging technologies
overlapping technologies
obsolete technologies
coexisting technologies
Answer:
coexisting
Explanation:
Answer:
Coexisting
Explanation:
What is the best method for describing and mapping terrestrial biomes? Biome Metric System (BMS) There's no standardized method, so the best method is to evaluate climatic conditions and the dominant form of vegetation International System of Biomes (ISB) Universal Biome System (UBS) There's no standardized method, so the best method is to evaluate human uses and valuation of the area
The best method for describing and mapping terrestrial biomes typically involves evaluating climatic conditions and the dominant form of vegetation. This approach is widely used and forms the basis for various classification systems, including the Köppen-Geiger climate classification system and the Holdridge life zone classification system. These systems consider factors such as temperature, precipitation, and vegetation types to classify and map different biomes.
While there is no universally standardized method for describing and mapping biomes, the evaluation of climatic conditions and vegetation provides a robust and scientifically grounded approach. It allows for the identification of distinct biomes based on their ecological characteristics and helps understand the distribution of different biomes across the Earth's surface.
Other approaches, such as the International System of Biomes (ISB) or Universal Biome System (UBS), may incorporate additional factors or emphasize human uses and valuation of the area. These approaches may be more focused on human perspectives or conservation priorities rather than purely ecological considerations. However, when it comes to a scientific understanding of biomes, evaluating climatic conditions and vegetation remain key factors.
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What term is used to describe the capacity of some erythrocytes to vary in size, especially in relationship to some anemias?
The term used to describe the capacity of some erythrocytes to vary in size, in relationship to some anemias is called Anisocytosis.
Additional descriptors of erythrocytes associated with some anemias include anisocytosis (assuming various sizes) or poikilocytosis (assuming various shapes).
Anisocytosis means that there are red blood cells of varying sizes on your blood smear. Poikilocytosis means that there are red blood cells of varying shapes on your blood smear.
The usual treatment for iron deficiency is taking iron supplements and changing the diet to increase iron levels through iron-rich foods. The most common supplement is ferrous sulfate, which is taken as a tablet.
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Please some one help I’m struggling
Gregor Mendel’s research formed the basis of the field of genetics. dominance. recessiveness. selective breeding.
Gregor Mendel’s research formed the basis of the field of genetics which incolves dominance traits, recessive traits, and selective breeding. Therefore, the correct statement is option A, option B, and option C.
Who is Gregor Mendel?Gregor Mendel was an Austrian monk considered as the father of genetics. He conducted experiments on pea plants to study and discovered that traits are inherited in a predictable pattern and some traits are dominant, while some traits are recessive. He coined the terms dominant and recessive to describe these traits.
Mendel's experiments involved crossing pea plants with different traits, such as tall or short height and then observed the traits of the offspring. He gave principles of dominant and recessive traits, as well as the law of segregation and independent assortment to explain the inheritance of traits.
His work laid the foundation for modern genetics and helps to understand genetic inheritance, selective breeding, and evolution. Mendel also worked area of selective breeding, which is the process of choosing specific traits to breed for in plants and animals.
Therefore, the research of Gregor Mendel formed the basis of the field of genetics which involves dominance traits, recessive traits, and selective breeding.
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Question 2: We consider the classical growth model with technical progress, which is based on following assumptions/concepts: (a) Macroeconomic balance: S(t)=I(t), in which S(t) represents savings at date t, and I(t) represents investment at date t. (b) Physical capital accumulation: K(t+1)=(1−δ)K(t)+I(t), which implies that investment augments the national capital stock (K) and replaces a fraction δ of the capital stock which is wearing out (depreciation). (c) The savings rate is savings divided by total national income, denoted by S=S(t)/Y(t). (a) Harrod-Domar model bases on an additional assumption: there is only one input capital, and the capital-output ratio (represented by the ratio K(t)/Y(t) ) is fixed at θ. The overall rate of growth (g) is determined by savings rate (S), capital-output ratio (θ), and depreciation rate (δ). Please write an equation for the determination of the overall rate of growth (g). We then consider the classical Solow model with technical progress. There are two inputs in production: capital K(t) and population P(t), and the production function is Y(t)=K(t)
a
(E(t)P(t))
1−a
.E(t) represents the efficiency of an individual at time t, which grows at the rate π. The level of efficiency at time 0 is denoted as E(0). We assume that at time t, the economy is at the steady state: (b) Please solve the value of the per capita income at time t. (c) We assume that Country A and Country B have the same population rate (n), initial level of efficiency (E(0)), technical progress rates (π), and depreciation rate (δ), but differ in the savings rates (s). Specifically, Country A's savings rate is 30 percent, and Country B's savings rate is 20 percent. Then, which country has a higher level of income per capita at time t ? Why?
(a) The equation for the determination of the overall rate of growth (g) in the Harrod-Domar model is given by:
g = (s - δ) / θ
Where:
g is the overall rate of growth
s is the savings rate (S/Y)
δ is the depreciation rate
θ is the capital-output ratio (K/Y)
(b) In the Solow model with technical progress, at the steady state, the per capita income (y) is determined by the following equation:
y = (s / (n + δ + g)) / (π + n + g)
Where:
y is the per capita income
s is the savings rate
n is the population growth rate
δ is the depreciation rate
g is the overall rate of growth
π is the technical progress rate
(c) In this case, we assume that Country A has a savings rate of 30% (sA = 0.3) and Country B has a savings rate of 20% (sB = 0.2), while other parameters are the same. To determine which country has a higher level of income per capita at time t, we need to compare their per capita income equations.
For Country A:
ya = (0.3 / (n + δ + g)) / (π + n + g)
For Country B:
yb = (0.2 / (n + δ + g)) / (π + n + g)
Since all parameters are the same for both countries except the savings rates, we can compare ya and yb directly. By substituting the values, we can see that Country A will have a higher level of income per capita at time t compared to Country B if ya > yb.
However, without specific values for the population growth rate (n), overall rate of growth (g), and technical progress rate (π), it is not possible to determine definitively which country will have a higher level of income per capita at time t.
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help ASAP! Please! Ill mark brainliest PLEASE PLEASE
Answer:
Hi there!
I am Pandora, and I will be trying to help you today. :)
Ocean Acidification Evidence:
- Growing difficulty in absorbing carbon dioxide
- Difficult for some species to make shells
- Large concentration carbonic acid
- Organisms more prone to illness
Ocean Warming Evidence:
- Melting of glaciers and ice caps
- Expansion of ocean volume
I hope this helped! I am so sorry if I made a mistake.
Good luck and have a fantastic day! :)
Best wishes,
Pandora
Explanation:
in a similar experimental set-up as described in the previous question, a mutant tomato plant is grown along side wild type tomato in the humus-containing soil. despite being in the same soil conditions the mutant plant has yellow-ish leaves.mutations to which of the following genes could explain the mutant phenotype? (answer all that apply)group of answer choicesmutation eliminates a gene essential for the formation of root hairs.mutation eliminates a gene encoding a proton pump (moves h only against its concentration gradient).mutation eliminates a gene encoding a h /mg2 cotransporter.
The yellowish leaves observed in the mutant tomato plant could potentially be explained by mutations in the genes encoding a proton pump and an H/Mg2 cotransporter.
A cotransporter, also known as a symporter, is a type of integral membrane protein that facilitates the transport of multiple molecules or ions across a biological membrane simultaneously. It plays a crucial role in various physiological processes, including nutrient absorption, ion homeostasis, and signal transduction.
Cotransporters utilize the energy stored in the electrochemical gradient of one molecule or ion to drive the transport of another molecule or ion against its concentration gradient. This process is often referred to as secondary active transport. By coupling the movement of two or more molecules, cotransporters enable the efficient uptake or release of substances across the cell membrane.
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