I would say C! Most developing countries have high birth and death rates, while developed countries are more steady.
Elaborate more if u need an answer
Answer:
In animals, oxygen combines with food in the cells to produce energy for daily activity and then gives off carbon. The carbon combines with oxygen to form carbon dioxide (CO2) and is released back into the atmosphere as a waste product when animals breathe and exhale.
Answer:
carbon dioxide → phytoplankton → shrimp → fish → whales
Explanation:
Phytoplankton consumes carbon dioxide, shrimp eats phytoplankton, fish eats shrimp, and whales eat fish.
