Heat is thermal energy that flows from
A. high energy to low energy.
B. hot to cold.
C. high thermal pressure to low thermal pressure.
D. all of the above
Answer: B
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One reason for the "economy vs. the environment" mindset is ________
A) that industrialization has had several positive impacts on local ecosystems B) that CEOs are usually Republican and environmental advocates are Democrats C) that environmental policies generally are oppressive and cost more money than they save D) that people may not foresee the long-term savings when having to make the necessary up-front investments E) the difference in salary between environmental watchdogs and corporate CEOs
The atmosphere near Earth's surface is "heated from below" by heat energy from Earth’s interior
a. True b. False
Which energy source has the lowest net energy yield to produce electricity?
A. nuclear B. coal C. geothermal D. natural gas
Which is a common technique used to control mass-wasting where slopes are over-steepened?
A. Dewatering B. Terracing C. Retaining walls D. Rock bolts