Which of the following is not a common cause and effect related to dust?
A) Swirling dust reduces visibility and causes highway accidents.
B) Vegetated land is changed to barren desert by windstorms.
C) Topsoil loses its nutrients and agriculture becomes less productive in a given area.
D) Cities experience hazy skies, even thousands of kilometers from dust storms.
Answer: C
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Mountain building causes metamorphism because ________
A) mountains form by the gradual buildup of material that comes from other areas and this can produce an uneven pressure on rocks B) mountains are heavy and they compress the rocks under them. C) mountains are heavy and they push shallow, cool rocks to depths where they get heated D) all of the above
Which of the following biomes has the most annual rainfall?
a. the chaparral b. the tropical dry forest c. temperate deciduous forest d. temperate rainforest
Which of the following statements describes the temperature of the tropopause compared to the temperature at the Earth's surface?
A. It is much warmer. B. It is a little warmer. C. It is much colder. D. It is a little colder.
Which of the following is not an important factor in the production of rain by the collisioncoalescence
process? a. the updrafts in the cloud b. relative size of the droplets c. the number of ice crystals in the cloud d. cloud thickness e. the electric charge of the droplets