Question

What are the two sources of heat in the earth’s interior?

A.radioactive decay and convection currents

B.leftover heat from formation and radioactive decay

C.magma and liquid outer core

D. sunlight and meteor impacts

Answer 1

I would have to go with : B ) leftover heat from formation and radioactive decay.

-Hope this helps.

Answer 2

The answer would be B. leftover heat from formation and radioactive decay.