What energy is needed to get a reaction started

just here for the other one bc they put up with u

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

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.