Answer:
Point C
Explanation:
Oxygen is a by-product of photosynthesis, so when the oxygen production is at its highest, photosynthesis is also at its highest.
Lower as people die from starvation and stop having as many children
3. p waves travel faster than s waves, and are the first waves recorded by a seismograph in the event of a disturbance. p waves travel at speeds between 1 and 14 km per second, while s waves travel significantly slower, between 1 and 8 km per second.
4. seismic waves, the waves of energy that travel through earth as a result of an earthquake can tell us a lot about the internal structure of the earth because the waves travel at different speeds in different materials. there are two types of waves that travel through the earth: p waves and s waves.
Answer:
A
Explanation:
In natural selection animals with phenotypes best adapted to their environment survive. These animals will then reproduce producing more animals with their phenotype which survives better in the environment.
It is the Iris I believe. It controls the diameter and size of the pupil, controlling the amount of light reaching the retina.