To keep the species from dying off.
The Volga River. hope this helps.
This movement is called convection. It can be found in liquids, gasses and rheids - solids that can also experience movement ( on a big time scale), such as the earth mantle. One of the types of convection is diffusion: net movement of gasses from higher to lower concentration areas.
Answer:
guided by parents/guardians
Explanation:
we all need parents that love and care for us
because freedom is found within yourself
Between the bottoms of two convection cells
