Over 25% of all U.S. municipal solid waste consists of ________
A) wastes that would be classified as hazardous B) paper
C) yard trimmings D) plastics and metals
B
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Who proposed first the Continental Drift Hypothesis?
a. Alfred Wagener b. Harry Hess c. James Hutton d. Charles Darwin
When sunlight bounces off a surface at the same angle at which it strikes the surface, the light is ____
A) scattered B) reflected C) refracted D) diffracted
A rock is thrown vertically into the air. At the very top of its trajectory, the net force on it is
A) less than its weight. B) more than its weight. C) its weight.
The use of global-scale technological fixes to counter climate change by either removing greenhouse gases from the atmosphere or by changing the amount of sunlight that reaches Earth is called ____
a. the Kyoto Protocol b. geoengineering c. radiative forcing d. radiative equilibrium e. plate tectonics