A volcanic eruption occurring beneath an ice sheet is likely to cause
A) a hazardous flood.
B) enormous flows.
C) lengthy lava flows.
A) a hazardous flood.
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Conflict minerals
A. are those that display two different colors depending on the direction in which they are viewed. B. are those that have a substantially reduced hardness in one crystal direction in comparison to other crystal directions. C. are those that represent the primary assets of a country that are surrendered to the victor in a war between nations. D. are those mined in countries as a principal source of revenue to support warring factions or repressive governments.
What is a hardship for small organisms that are associated with living on a sandy beach?
A) Sand has sharp, jagged edges. B) Capillary forces can pin organisms down within the sand. C) Organisms have a hard time finding a firm footing when burrowing. D) All of these choices
Halogenated gases are purely anthropogenic and have no natural sources
Indicate whether the statement is true or false
Which of the following statements is false?
A. In the less-developed countries of Africa, Asia, and Latin America, there is less indoor air pollution than in developed countries. B. The likelihood of having radon gas in your home depends largely upon the geology and soil types in your region. C. One of the reasons indoor air pollutants are so dangerous is the high amount of time people are indoors. D. According to the EPA, toxic air pollutants are generally much more concentrated indoors than outdoors. E. All of these statements are true.