Nitric oxide
A) is a highly toxic compound.
B) easily oxidizes to form nitrogen dioxide.
C) takes thousands of years to break down once released into the atmosphere.
D) primarily affects the pulmonary system.
Answer: B
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The probe tip of a scanning probe microscope
A. floats above the atoms of a sample. B. chemically changes the atoms of a sample. C. etches into the atoms of a sample. D. injects a magnetic field into the atoms of a sample.
Based on the Saffir-Simpson scale, which of the following would correspond to the highest possible intensity of a hurricane?
A. Category 2 B. Category 3 C. Category 4 D. Category 5
When a glacial trough is "drowned" by the sea, the result is a(n) ________
A) fiord B) cirque C) horn D) arête
Since the equator-to-pole temperature contrast is the major cause of atmospheric circulations, you would expect wind speeds to be slowest in the:
A) autumn. B) winter. C) spring. D) summer.