Traits of organisms are a direct result of two factors: the genetic material
present in previous generations and the type of reproduction, sexual or
asexual. Which of the following is true of cellular division through sexual
reproduction and asexual reproduction?

no i don't feel that humans have oversubscribed some medications

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

geologic time scale (for gradpoint) =)