Physics, 20.05.2021 09:40 blairjaneaoyrfvp

8 Questions please help me 1. What are scientists finding out about the increase in carbon in the Earth's atmosphere?

2. What are the parts per million of CO2 does the graph show in 2010?

3. What do we use that puts a large amount of CO2 into our atmosphere?

4. Is Earth an open or closed ecosystem and what are two things everything on Earth shares?

5. What powers the carbon cycle? What is the major source of energy for our planet?

6. What also moves carbon from the air and water and how is it powered?

7. What moves carbon from living things to air and water?

8. What are three negative impacts of the increase of CO2 in Earth's atmosphere?

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Answer from: ashliemallen

Explanation:

1. scientists are so concerned about carbon dioxide because the more carbon dioxide in the atmosphere, the hotter the earth will become, changing the Earth's climate.

2. 389.9 parts per million

3. Human activities such as the burning of oil, coal and gas, as well as deforestation are the primary cause of the increased carbon dioxide concentrations in the atmosphere.

4. Any system within the Earth system is considered an open system. Because energy flows freely into and out of systems, all systems respond to inputs and, as a result, have outputs. DNA and RNA are the two things which everything on earth shares.

5. Humans play a major role in the carbon cycle through activities such as the burning of fossil fuels or land development. As a result, the amount of carbon dioxide in the atmosphere is rapidly rising; it is already considerably greater than at any time in the last 800,000 years. One of the most important sources of energy is the sun.

6. Carbon moves from plants to animals. Through food chains, the carbon that is in plants moves to the animals that eat them. ... Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.

7. 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. Carbon moves from fossil fuels to the atmosphere when fuels are burned.

8. Under elevated CO2 most plant species show higher rates of photosynthesis, increased growth, decreased water use and lowered tissue concentrations of nitrogen and protein. Rising CO2 over the next century is likely to affect both agricultural production and food quality.

Answer from: Quest

hèllo, sorry i really need some more points so if you need this qustion answered than retype it

Answer from: Quest

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation:

For which optical devices does d sometimes have a positive value?

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