There are at least 300 years left of this fossil fuel. ________
Fill in the blank(s) with correct word
coal
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A charged balloon shows that something can have a great amount of
A. potential energy and a low voltage. B. both voltage and potential energy. C. voltage and a small potential energy. D. none of the above
Which condition may exist when the pontentiometric surface is above ground level
A) artesian water may rise to the surface. B) drawdown in the well. C) groundwater recharge of the aquifer. D) a confined aquifer may become an unconfined aquifer.
Groundwater is the largest source of usable liquid freshwater on Earth.
a. true b. false
Population growth patterns over time typically
A. exhibit complex patterns produced by complex causes. B. follow a smooth S curve form. C. follow a smooth J curve form. D. exhibit erratic fluctuations caused by readily discernable factors.