Physics, 19.10.2019 13:30, mathlady12

This may not be physics, but i don't really care, just plz ! what is a major problem of human reliance on nonrenewable energy sources?
a. once nonrenewable resources are used, they cannot be replaced, so we are not able to acquire more.
b. nonrenewable resources create terrible pollution problems.
c. nonrenewable resources are so inexpensive that human don't rely on human on renewable ones.
d. nonrenewable resources are so people use them up quickly.

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This may not be physics, but i don't really care, just plz ! what is a major problem of human relia...