Which of the following best matches the description?Heat energy from the earth's core.
A. liquefied natural gas
B. black lung disease
C. overburden
D. geothermal energy
E. resources
F. underground mining
G. secondary recovery
H. nonrenewable energy sources
I. reserves
J. renewable energy sources
K. acid mine drainage
L. active solar system
M. surface mining
N. photovoltaic cell
O. passive solar system
Answer: D
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Answer the following statement true (T) or false (F)
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