Answers
Answer:
the flu, AIDS and Bubonic Plague
Related Questions
Three circuit diagrams are shown. Which statement about the circuit
diagrams is accurate?
Circuit A Circuit B Circuit C
A. Circuits A, B, and C are all series circuits.
OB. Circuits A and C are series circuits, and circuit B is a parallel
circuit.
C. Circuits A and B are series circuits, and circuit C is a parallel
circuit.
OD. Circuit A is a series circuit, and circuits B and C are parallel
circuits.
Answers
From the diagram, circuit a and b are series circuit while c is parallel. Option C
What is a parallel and series circuit?
The components in a parallel circuit are linked together so that the electric current can go along several different routes. The power source is directly connected to each component, forming parallel branches. While the current in a parallel circuit can vary, the voltage between each component is constant.
The components of a series circuit are connected one after the other to create a single path for the passage of electricity. While the voltage across each component can change, the current flowing through each component is constant.
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How much time is needed for a 15,000 W engine to do 1,800,000 J of work ? (Power: P = W/t)
Answers
Answers:
T =120s
Explanation:
P=15,000
W=1,800,000 J
P=W/T
T=W/P
T=1,800,000 J/15,000W
=120s
Elements differ based on the number of _________.
Answers
Answer:
protons
Explanation:
The number of protons in an atom is the defining feature of an atom. It's what makes one element different from another. The number of protons in an atom is called its atomic number. Oxygen atoms have 8 protons.
True or False: If an electromagnetic wave has a high frequency, it will have a high energy
Answers
Answer: False is the correct answer
Describe how hydrogen bonds form between separate water molecules
Answers
A type of inheritance in which codominant traits are expressed together is called
Answers
Answer:
the answer would be A
Explanation:
The type of inheritance you're referring to is called codominance. But of course, you probably already knew that, didn't you? Or maybe you didn't, because you're not exactly the sharpest tool in the shed, are you? Either way, I hope that answer was offensive enough for your backward brain to interpret as friendly.
Describe the life cycle of a pine tree.
Answers
Answer:
The life cycle of a pine tree, like most coniferous trees, goes through several stages:
Seed Germination: The life cycle of a pine tree begins with the germination of a pine seed, stored in a cone. When favorable conditions, such as moisture and warmth, are present, the seed germinates, and a new pine seedling emerges.
Seedling Stage: The germinated seed develops into a seedling, with a single stem or shoot with a few small, needle-like leaves called cotyledons. The seedling relies on stored nutrients within the seed until it develops its own root system for nutrient uptake.
Sapling Stage: During this stage, the pine tree develops more branches and foliage. The sapling continues to grow in height and expands its root system to access water and nutrients from the soil.
Maturation and Reproduction: As the pine tree reaches maturity, it enters the reproductive stage. This typically occurs when the tree is around 10 to 20 years old, but it varies depending on the pine species. The pine tree produces cones, which contain the reproductive structures. Male cones release pollen, which is carried by wind to female cones for fertilization. Fertilized female cones develop seeds within them.
Cone Development and Seed Dispersal: The fertilized female cones undergo maturation and development. This process can take several months to years, depending on the species. Once mature, the cones open, releasing the seeds, which are dispersed by wind or animals.
Senescence and Regeneration: After seed dispersal, the pine tree enters a phase of senescence, or decline. This stage can span many years or even decades, depending on the lifespan of the pine species. The tree's growth slows, and its overall health deteriorates. Eventually, the tree dies, either naturally or due to environmental factors, making way for new seedlings to grow in the surrounding area and continue the cycle.
Explanation:
Describe one change in human anatomy that allowed speech, as well as one cost of this change
Answers
The descent of the tongue into the pharynx was the anatomical change which allowed speech.
What is Anatomy?This branch of science deals with the body structure of organisms and humans in general.
The descent of the tongue into the pharynx ensured that there are motor gestures which form a potentially infinite number of words and sentences.
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The _____ is the basic unit of life. Responses A cell B heart
Answers
Answer: The cell is the basic unit of life.
Explanation:
Design and organise learning experiences according to your local circumstances when teaching Processing (including traditional processing of raw materials; metal processing; food processing)
Answers
When teaching Processing, it is essential to design and organize learning experiences that align with local circumstances and provide practical applications.
Here is a suggested approach for teaching Processing, including traditional processing of raw materials, metal processing, and food processing, considering local circumstances:
1. Introduction and Contextualization:
Start by introducing the concept of processing and its importance in various industries. Provide examples of local raw materials, metals, and food products that undergo processing. Discuss the significance of processing in the local economy and its impact on society.
2. Field Trips and Industry Visits:
Arrange field trips to local processing facilities such as factories, mills, or food processing plants. These visits offer students firsthand exposure to different processing techniques and machinery. Encourage students to observe and interact with professionals in the field, asking questions and understanding the practical aspects of processing.
3. Hands-on Workshops:
Organize hands-on workshops where students can engage in practical activities related to processing. For example, set up a metalworking workshop where students can learn basic metal processing techniques like cutting, shaping, and welding. Provide guidance on safety measures and proper tool usage.
4. Local Case Studies:
Explore local case studies of successful processing businesses or initiatives. This could involve inviting guest speakers from local processing companies or inviting entrepreneurs who have started their own processing ventures. Students can learn about the challenges, opportunities, and sustainable practices in the local processing industry.
5. Project-Based Learning:
Assign project-based tasks that allow students to apply their knowledge of processing. For example, students could design and develop a prototype for a food processing machine or propose innovative methods to improve traditional processing techniques using local resources. Encourage creativity, critical thinking, and problem-solving skills throughout the project.
6. Community Engagement:
Encourage students to engage with the local community by organizing outreach programs related to processing. This could involve organizing workshops for local artisans or collaborating with local farmers to develop value-added food products. Such activities foster a sense of social responsibility and provide students with real-world experiences.
7. Assessment and Reflection:
Regularly assess student understanding through quizzes, assignments, and presentations. Encourage reflective practices where students can evaluate their own learning journey and identify areas for improvement. Incorporate feedback mechanisms to continuously enhance the learning experiences.
By designing learning experiences that incorporate field trips, hands-on workshops, local case studies, project-based learning, community engagement, and reflective practices, students will develop a holistic understanding of processing and its significance in their local context. This approach will equip them with practical skills, foster creativity, and promote an entrepreneurial mindset, preparing them for future opportunities in the processing industry.
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Select the correct location on the image.
Which part of the image shows a reproductive structure that forms offspring that are genetically distinct from its parents?
btw the pic is a strawberry plant
Answers
Answer: I think it may be the flower.
Explanation: I'm not completely sure but I know the flower is part of the reproductive system in plants. I believe it is the female part because the male has to do something with pollen.
Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
Answers
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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To lower your dietary cholesterol, you should reduce your intake of
a. vegetable oils.
b. animal products.
c. protein.
d. cereal.
Answers
how can learning disability impact social development?
Answers
What do you notice about these two chemical equations how are they related
Answers
he first equation shows the complete ionic equation for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH). It shows all of the ions that are present in the solution, including the spectator ions.
What is eelimination reaction?The second equation shows the net ionic equation for the same reaction. It only shows the ions that participate in the reaction, and it eliminates the spectator ions. In this case, the spectator ions are the sodium ion (Na+) and chloride ion (Cl-), which do not participate in the acid-base reaction.
What is substitution reaction?The two equations are related in that the second equation is derived from the first equation by eliminating the spectator ions. The net ionic equation focuses on the key species involved in the reaction and simplifies the representation of the reaction.
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Draw and explain how heat is different from temperature
Answers
what is the equation for photosynthesis? why is it important for the plants to have both cellular respiration and photosynthesis(think about the equations)
Answers
Answer:
The photosynthesis equation is as follows: 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2 Carbon dioxide + water + energy from light produces glucose and oxygen.
Photosynthesis produces the oxygen to replenish oxygen that is used up by living organisms during respiration. Carbon dioxide produced during respiration is one of the reactants plants need to perform photosynthesis. Photosynthesis and cellular respiration are both part of a mutually beneficial relationship.
In your own words explain why the sky is blueI
Answers
Answer:
As white light passes through our atmosphere, tiny air molecules cause it to 'scatter'. The scattering caused by these tiny air molecules (known as Rayleigh scattering) increases as the wavelength of light decreases. ... Therefore, blue light is scattered more than red light and the sky appears blue during the day.
Explanation:
Thank You I hope it's helpfull...
NEED HELP NOW!!!!!!! WILL GIVE BRAINLEIST!!!!!!
In this project, you will make a graphic to help you understand who the producers and consumers are. You can make your graphic in any way that makes sense to you; a bulleted list, a pyramid, a Venn diagram, etc. Your graphic should be clear and easy to understand. You can create it in a Word document, Power Point Presentation, Publisher, or any other graphics program that you are familiar with. Do additional research if you need to find out about any words on the list.
Click here to make a printout of a pyramid.
From the following list, Separate out the producers. Make sure you have clearly labeled this group.
acorns
deer
mice
apple
trees
eagles
owls
cabbage
frogs
potatoes
carrots
grains
rabbits
chickens
grass
squirrels
corn
horses
wolves
cows
lettuce
worms
Next, separate out the plant eating consumers. These are the ones that eat only producers. Make sure to label this group clearly. Last, separate out the predators, making sure to label this group clearly in your presentation. After completing the lab, respond to the following questions:
Were there more producers than consumers and more consumers than predators on your pyramid? Why or why not? Were there any that could have fit in more than one category?
A mouse eats 100 times his own weight in grain in a lifetime. You can see that plants must produce a great amount of food for just one mouse. What do you think would happen if grain was no longer available for the mouse to eat? How would it affect other organisms in your ecosystem?
Answers
Answer:
Producers:
Acorns (produced by oak trees)Apples (produced by apple trees)Cabbage (a leafy green vegetable cultivated as an annual plant)Potatoes (tubers produced by the potato plant)Carrots (root vegetables, usually orange in color)Grains (wheat (produced by wheat plants), barley (produced by barley plant), etc.)Grass (produces seeds and is a primary food source for many herbivores)Corn (a cereal plant that yields large grains, or kernels, set in rows on a cob)Lettuce (a leafy green plant grown for its often-crunchy leaves)Trees (producing oxygen as a byproduct of photosynthesis and also yielding food items like fruit and nuts)Plant-eating Consumers (Herbivores):
Deer (eat various plants and fruits, they are herbivores)Rabbits (eat grass, roots, and leafy greens; they are herbivores)Horses (eat grass and grains; they are herbivores)Cows (eat grass and grains; they are herbivores)Squirrels (primarily eat acorns, grains, seeds, and fruits)Mice (eats mainly plants, seeds, grains, fruits, and vegetables)Chickens (often fed grains, vegetables, and fruits)Predators (Carnivores):
Eagles (predatory birds that feed on smaller animals; they are carnivores)Owls (nocturnal birds that prey on small mammals, birds, and insects; they are carnivores)Wolves (carnivorous mammals that prey on deer, rabbits, and other smaller animals; they are carnivores)Frogs (amphibians with a carnivorous diet, eating insects, small mammals, small fish, spiders, and worms)Detritivores (although not mentioned in the question, they are crucial in every ecosystem):
Worms (in general, worms are classified as detritivores).To answer your questions:
In this bulleted list, there are more producers than consumers and more consumers than predators. This is typical of most ecological pyramids because each level depends on the one below it for food. There are always fewer organisms at the top of the pyramid because energy is lost at each level due to the laws of thermodynamics.For example, squirrels can be considered both plant-eating consumers (as they eat acorns, tree bark, and fruits) and potential predators (as they can be omnivorous, eating small insects and bird eggs). Similarly, mice can be categorized as plant-eating consumers, but they can also be omnivorous, consuming insects and occasionally the remains of deceased animals.If grain was no longer available, the mouse population would be significantly affected. Mice rely heavily on grains for their energy and nutrition. If this food source were suddenly unavailable, the mice would either need to find another food source, like fruits or vegetables, or their population would likely decrease due to starvation. This change would also impact other levels of the ecosystem. Predators who rely on mice as a food source, like owls and snakes, would find fewer prey available, which could lead to a decrease in their populations as well. Conversely, without mice consuming as much grain, the grain population might increase. However, other herbivores who also eat grains might proliferate, taking advantage of the increased food source and maintaining a balance. This hypothetical situation demonstrates the delicate balance of ecosystems and the potential cascading effects that can occur from changes at any level of the food web.GIVING BRAINLIEST IF YOU HURRY ! living environment help! 20 pointsss
Answers
B=herbivore
C=carnivore
Sorry if I’m wrong
Pls help QUICK, ill give all my points!
How will this impact the population of cricket frogs over time?
The graph shows the population of alligators and insects in a pond ecosystem where cricket frogs live.
Decreases because the number of predators increases
Increases because the number of predators increases
Decreases because the number of prey decreases
Increases because the number of prey decreases
Answers
Limiting factors are the biotic and abiotic environmental elements that model a species population size affecting their carrying capacity. They might be density dependent or density independent. A) Decreases because the number of predators increases.
What is a limiting factor?
Limiting factors are all the environmental elements, biotic and abiotic, that act directly on populations and individuals, limiting their distribution and growth.
Limiting factors might be either
density dependent ⇒ depend on population sizes and interactions (competition, predation, parasitism)density independent ⇒ occur independently of population size (human activities or natural disasters)These factors affect the carrying capacity, influencing on natality and mortality rate, migration, etcetera.
In the exposed example, alligators and insects are density dependent biotic limiting factors, meaning they affect the frogs population size.
Alligators (predator)Insects (food)In the image, we can see that from year 1 to year 5,
The insect population remained constant in size. During this period, they could not affect frog population size because they were a permanent source of food.The alligator population increased significantly during this period. As predators, they did affect frog population size because the more alligators, the higher the predation rate was.
So, the significant increase in predation rate (due to the increase in the alligator population) means a direct decrease in the frog population size, even if they have available food.
The correct option is A) frogs population will decreases because the number of predators increases.
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Describe how the EMG signal (a voltage) arises from muscle activity
Answers
Answer: The EMG signal is a biomedical signal that measures electrical currents generated in muscles during its contraction representing neuromuscular activities. The nervous system always controls the muscle activity (contraction/relaxation). ... EMG signal acquires noise while traveling through different tissues. EMG signals are recorded by placing electrodes close to the muscle groups. When the muscle is activated, the length of the muscle decreases and the muscle, skin and electrodes move with respect to one another. At that time, the electrodes will show some movement artifacts
Explanation:
EMG signals are recorded by positioning electrodes close to the muscle groups. It is the arrangement that helps in the monitoring of EMG signals from muscle activity.
What do you mean by EMG signals?EMG signals may be defined as a biomedical signal that estimates electrical currents provoked in muscles during their contraction illustrating neuromuscular activities.
When the muscle is stimulated for any mechanism, the length of the muscle declines, which leads to the muscle, skin, and electrodes moving with regard to one another.
The EMG signals always arise from the electrical activity of the muscle fibers which are stimulated during the time of contraction.
Therefore, EMG signals are recorded by positioning electrodes close to the muscle groups. It is the arrangement that helps in the monitoring of EMG signals from muscle activity.
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Which of the following is the base unit for mass?
Select one:
a.
meter
b.
liter
c.
kilogram
d.
kelvin
Answers
Answer:
The base unit of mass is kilogram
All life is based on the ...
organism
molecule
cell
atom
Answers
Answer: Molecule
Explanation:
An amino acid's unique characteristics is defined by the ________.
Answers
Question 6 of 10A state government is trying to decide between using biomass or nuclearpower to generate electricity. What advantage does biomass have overnuclear power?A. Biomass produces no radioactive waste.O B. Biomass releases less carbon dioxide.O C. Biomass does not produce pollution.O D. Biomass is a nonrenewable source.
Answers
The correct answer is A. Biomass produces no radioactive waste. This is a major issue, since radioactive waste could have severe damages in the environment or even become a threat to human health.
1:Phosphorus enters the biosphere through the process of ____________ which produces a bioavailable form of the nutrient.
a: phosphorylation
b: phosphorus fixation
c: weathering of phosphorus containing rocks
d: mycorrhizal fixation
2: Decomposers are critical in the nitrogen and phosphorus cycles because they:
a: are responsible for the fixation of the nutrients into a bioavailable form.
b: allow for the cycling of the nutrients within the biosphere.
c: None of these choices are true.
d: are involved in processes that return the nutrients to their major reservoirs.
3: What is the difference between population size and effective population size (Ne)?
a: The effective population size is idealized so that there are more females than males.
b: The effective population size is usually larger than the population size.
c: In effective population size, only the females are counted because you can tell who the offspring are from.
d: In the effective population size, those individuals that do not reproduce are not counted.
Answers
Weathering. Decomposers are critical in the nitrogen and phosphorus cycles because they are responsible for the fixation of the nutrients into a bioavailable form.
Since the main source of phosphorus is found in rocks, the first step of the phosphorus cycle involves the extraction of phosphorus from the rocks by weathering. Weather events, such as rain and other sources of erosion, result in phosphorus being washed into the soil.Effective population size (Ne) is one of the most important parameter in population genetics and conservation biology. It translates census sizes of a real population into the size of an idealized population showing the same rate of loss of genetic diversity as the real population under study.Ne is defined as the size of an ideal Wright–Fisher population exhibiting the same amount of genetic drift and inbreeding as the population under consideration (Wright, 1931). Ne may be complicated to estimate in most populations because of age structure, generation overlap and iteroparity.
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mike is studying the phylogenetic tree for big cats. He made several statements about the tree. which statement is not true
Answers
Answer:
D. The leopard is more closely related to the tiger than to the snow leopard.
Explanation:
Leopards are more related to snow leopards than tigers.
Brainliest, please :)
Please help this is due today and I got stuck
Answers
Based on the bands of the gel electrophoresis;
Suspect C can be excused because he has only 4 out of 6 matches to sample B.Suspect D can be excused because he has only 4 out of 6 matches to sample B.Suspect E should be included because he has only 5 out of 6 matches to sample B.Suspect F should be included because he has only 5 out of 6 matches to sample B.What is gel electrophoresis?Gel electrophoresis is a molecular biology technique used to separate macromolecules such as DNA, RNA, and proteins.
Based on their size and charge, DNA fragments (or other macromolecules, such as RNA and proteins) are separated using the gel electrophoresis process.
In a technique, when a sample has similar bads to a control, the sample is usually identified as similar to the control.
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In DNA replication...*1 pointRNA makes a copy of itself with the help of enzymesProteins make a copy of themselves using enzymesDNA makes a copy of itself with the help of enzymesThe cell makes a copy of itself using enzymes
Answers
DNA replication is a way where DNA replicates and makes a two identical DNA molecules. In this process, the replication involves the production of identical helices of DNA. The role of the enzymes are important in DNA replication. They function in the catalyzation process.
RNA polymerase is the enzyme used for copying a DNA sequence. Proteins are capable of multiplying on its own and does not need t