Answer:
Explanation:
1. The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.
2. learn the 5 R's: refuse, reduce, reuse, rot, recycle: Going zero waste is a great step towards combating climate change. ...
bike more and drive less: ...
conserve water and protect our waterways: ...
eat seasonally, locally, and more plants: ...
switch to sustainable, clean energy
Answer: the answer is A
Explanation: i just did it
Answer:
The atmosphere is a closed system
Explanation:
Because inside the atmosphere open system
Valves ensure blood flows toward your heart. Vein valves work to bring the blood that flowed down via arteries back up to your heart.
