Answer:
When animals eat food, they get carbon in the form of carbohydrates and proteins.
Explanation:
hope this helps you out. :)
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Answer: These data alone suggest the Earth can support at most one-fifth of the present population, 1.5 billion people, at an American standard of living. Water is vital.
Explanation:
Hey there!
1.) Without the atmosphere, average temperature on Earth would be freezing! Below zero to be exact!
2.) The atmosphere protects us and animals from dangerous radiation from the Sun. Ultraviolet radiation is basically invisible rays of energy created by the sun.
3.) Also, the atmosphere provides oxygen for humans and animals to breathe and C02 (Carbon dioxide) for plants.
4.) And lastly, the atmosphere protects us from objects coming towards the earth.
Hope this helps!
Answer:
(A)
Explanation:
The population in the US and Canada is most dense along the coasts and navigable rivers where people were first able to get to settle. It is also affected by climate, soil quality. availability of water and the topography of the land. The least settled areas are very cold, swampy, desert wastelands and/or steep rocky , inaccessible areas which can be farmed or easily built upon.
