Question

About 85% of our energy comes from:

a.) Renewable energy sources
b.) Geothermal energy
c.) Nonrenewable energy sources
d.) Convection cycles in the mantle

Answer 1

C.

Step-by-step explanation:

Mainly oil and natural gas's !

Answer 2

c) Nonrenewable energy sources

These are mostly fossil fuels like natural gas, oil, coal, etc.