The primary purpose of a smokestack is to:
A) reduce the concentration of pollutants at ground level.
B) burn off inversion layers.
C) change the lapse rate.
D) promote adiabatic cooling of the smoke.
A
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What region is best described as Functional?
A) the service area for a carpet cleaning company B) the state of New York C) the wheat belt in the United States D) the best region to listen to country music E) the Rocky Mountains
What beneficial effects might Russia see from climate change?
A) Greater contact between wildlife and indigenous human populations in northern Russia as wildlife is forced to widen its search for food. B) Navigation may extend throughout the year in Russia's northern waterways. C) Increases in rainfall across the fertile regions of western Russia. D) Thawing of Siberian permafrost may cause mud flows and erosion. E) Rising sea levels along the Black and Baltic Seas.
Why do some asteroids leave the asteroid belt and cross the orbits of Earth and other solar system bodies?
A) The gravity of Earth and other bodies pull the asteroids out of the asteroid belt. B) Asteroids collide in the asteroid belt and some asteroids are diverted into other orbits. C) Comets passing through the asteroid belt pull asteroids away. D) The asteroid belt is slowly expanding with time, into orbits of Earth and other bodies.
A marine mammal in fresh water would be ________ to its surroundings
a. hypertonic b. hypotonic c. catatonic d. isotonic