A friend produces a Geiger counter to check the local background radiation. It ticks
Another friend, who normally fears most that which is understood least, makes an effort to keep away from the region of the Geiger counter and looks to you for advice. What do you say? A) Run away as fast as you can!
B) The Geiger counter is emitting radiation.
C) The Geiger counter is detecting naturally occurring radiation from your body.
D) Wear heavy clothes.
C
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The global food crisis of 2007 and 2008 was caused in large part by
A) the large-scale conversion of cropland into roads and cities. B) increased consumption of grains and decreased demand for meat. C) a shortage of large ships to haul grain overseas. D) higher production costs and increased demands for grains.
Answer this question that relates to the sea level change graph below.
Based on the graph, what would you predict to find today on the continental shelf off the coast of Maine?
A. Deltas about 11,000 years old and modern canyons B. Canyons and deltas about 11,000 years old C. Canyons about 11,000 years old and modern deltas D. Modern canyons and deltas
Channels with gradual slopes often develop a sinuous form called a ________ pattern
A) straight B) anabranching C) braided stream D) meandering stream
Wind is the most powerful agent of erosion in a desert
Indicate whether this statement is true or false.