The useful energy to be obtained from nonrenewable resources, such as fossil fuels (mainly crude oil, coal and natural gas) and uranium, is subject to diminishing returns through time.
(The useful energy; to be obtained; from nonrenewable resources, such as fossil fuels (mainly crude oil, coal and natural gas) and uranium) (The useful energy; to is; subject to diminishing returns through time)
The useful energy The useful energy
to be obtained to is
from nonrenewable resources, such as fossil fuels (mainly crude oil, coal and natural gas) and uranium
subject to diminishing returns through time