Answer:
Most living things need oxygen to survive. Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive.
Explanation:
Answer:
Bacteria help the nitrogen change between states.
Explanation:
When nitrogen is absorbed, bacteria helps change its state so it can be absorbed by different organisms.
Mutations is the correct answer
B, Magnitude of past earthquakes in the area
Why is it important?
- Because when bacteria converts ammonia into nitrate and nitrite, producers need them to make proteins and then consumers eat the producers and reuse the nitrogen to make their own proteins.
