23-03-2020
Chemistry

contestada

1. What are the two sources of thermal energy in Earth's interior?
A. solar heating and gravity
B. combustion and solar heating
C. gravity and radioactive decay
D. radioactive decay and combustion

Respuesta :

pritigurung62 pritigurung62

12-07-2021

Answer:

c

radioactive

decay is the process by which an unstable atomic nucleus loses energy by radiation

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