Why is radon gas of concern?
A. It is causing global warming.
B. It is causing depletion of the ozone layer.
C. It is a sign of an impending volcanic catastrophe.
D. It causes cancer in humans.
Answer: D
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Some might argue that globalization is the most fundamental reorganization of our planet's social and economic structures since which of the following events?
A) Ice Age B) Demographic Transition C) Industrial Revolution D) World War II E) the Renaissance
Use the following information to answer the following question. There are two main approaches to reducing the risk from landslides: hard and soft. Hard approaches involve construction of retaining walls, slope reduction, and drainage improvements. Soft approaches include zoning restrictions and land use regulations. Read the following mass wasting scenarios to determine if the event involved hard, soft, or both approaches.The city council passes an ordinance preventing a development group from building on a historical landslide.
A. Hard B. Soft C. Both
Today, no country has a death rate in excess of 21 per 1000.
a. true b. false
Foreign workers who have the right to work in a country but few other rights are called
A. immigrants B. aliens C. guest workers D. guest immigrants