The ozone layer, a part of the stratosphere, is important to organisms on Earth's surface because it absorbs large amounts of the sun's ultraviolet radiation
Indicate whether the statement is true or false
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Species that are found only in specific environments or have restricted localities are said to be ________
A) endemic B) diverse C) structurally complex D) evenness E) rich
The most important agents of metamorphism according to your text is
A) heat B) confining pressure C) chemically active fluids D) differential stress.
Which of these statements is NOT true of wind power?
A. Wind turbines take up large amounts of land that is then unsuitable for other purposes. B. Wind speeds--and therefore power generation--are greater over water. C. Enough wind is present in the United States to provide all of the U.S. electricity needs. D. Wind power has a better EROI ratio than do nuclear power, coal, or natural gas for electricity production.
Which of the following statements is not true?
A. Human activities may increase the dangers from certain geologic hazards. B. Some environmental problems, such as those related to pollution, were unrecognized until very recently. C. Certain problems, such as resource shortages, will become less severe when other planets or the moon are colonized in the next few decades. D. Many geologic hazards have existed throughout human history.