________ is a government mandate that a certain percentage of energy use come from renewable energy resources
A) Economic energy intensity
B) Cost of saved energy
C) Impoundment power practice
D) Economies of scale
E) Renewable portfolio standards
Answer: E
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Which of the following represents a tropical rainforest climate region?
a. Atacama b. Amazon Basin c. Bangladesh d. North Africa
Isostasy is similar to ____
a. buoyancy b. inertia c. convection d. volume e. conductivity
A central peak, such as a volcanic mountain, generally produces a ________ drainage pattern
A) parallel B) trellis C) annular D) radial
An electron orbiting a hydrogen atom
A) is restricted to a single energy state. B) cannot be removed from that atom unless that atom combines with another hydrogen atom to form a hydrogen molecule. C) has greater energy when it is further away from the nucleus. D) can absorb and emit photons of nearly any wavelength.