coachkopy1234
coachkopy1234
30-09-2014
Biology
contestada
What is the main source of energy?
Respuesta :
AL2006
AL2006
30-09-2014
If you trace
any
energy we use for
any
purpose back to its source ...
with the exceptions of nuclear energy and geothermal energy ... you'll
always arrive back at
the sun
.
Answer Link
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