Ocean energy is difficult to harness because ____
A)energy can only be harness in nearshore areas
B)the salt in the ocean will corrode machinery
C)the energy is not very concentrated
D)there are so many different ways energy is generated in the ocean
E)the cost makes it economically unfeasible
C
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Which of the following is true of glucitol?
A) It exists only as an open-chain structure. B) It exists only as a ring structure. C) It exists as both ring and open-chain structures with the open-chain structure predominating. D) It exists as both ring and open-chain structures with the ring structure predominating.
The difference between the atmosphere's "permanent" gasses and "variable" gasses is that:
A) permanent gasses exchange rapidly between the atmosphere and the biosphere. B) variable gasses are so called because of their horizontal displacement. C) permanent gasses exhibit a constant proportion from the earth's surface to higher reaches of the atmosphere. D) variable gasses are dependent on storms for world-wide dispersion.
The noncohesive downslope movement of saturated Earth materials is called a(n) ________
Fill in the blank(s) with correct word
Studies now indicate that literacy is linked to delays in marriage and childbirth, as well as higher rates of teen pregnancy.
a. true b. false