Which of the following statements describes the relation between low clouds at night and the atmospheric greenhouse effect?
A. They weaken the atmospheric greenhouse effect.
B. They are caused by the atmospheric greenhouse effect.
C. They enhance the atmospheric greenhouse effect.
D. They have no effect on the atmospheric greenhouse effect.
Answer: C
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A ball is projected into the air with 100 J of kinetic energy that is transformed to gravitational potential energy at the top of its trajectory. When it returns to its original level after encountering air resistance, its kinetic energy is
A) less than 100 J. B) more than 100 J. C) 100 J. D) not enough information given
Transform plate boundary is a boundary where:
a. two plates move apart from each other b. two plates move toward each other (so that one plate sinks beneath the other) c. two plates slide sideways past each other d. two plates collide and then are sutured into a supercontinent
Prior to WWII, what factor limited the development of large-scale industry in the Pacific Northwest?
A) The lack of power plants prevented the expansion needed. B) With the lack of population on the Pacific Northwest, there was no demand for finished goods. C) Its isolation from the rest of North America and difficulty of transporting goods. D) With the adult U.S. population depleted in the Pacific Northwest after WWI, there was a lack of workers available.
The Köppen climate classification system uses mean monthly and annual values of ________ and ________
Fill in the blank(s) with correct word