Answer:
J the appearance of photosynthetic organisms
Explanation:
human are able to move very rapidly around the world because of good atmosphere if there is more powerful population
Convergent A subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.
An increase in the number of wbcs in the blood
