Answer:
the process by which oxygen released into the atmosphere by photosynthetic organisms is taken up by aerobic organisms while the carbon dioxide released as a by-product of repiration is taken up for photosynthesis.
Explanation:
Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product. Carbon dioxide moves from the air into the leaves of plants through tiny openings in the plant's leaves. Oxygen moves out of the plant leaf through these same openings
Answer:
B) an earthquake
Explanation:
An earthquake is one of the most dramatic triggers of sudden mass movements.
From the choices given, an earthquake is the most correct solution.
Usually when the clouds are heavy because of too much evaporation
Answer:
its leaders opposed a strong central government
---
It's about the study of the earth. Like mapping, or just looking at different biomes or landscapes.