Which compound, produced by the smelting of pyrite (FeS2), affects the natural sulfur cycle?
A. SO2 (gas)
B. H2S (gas)
C. SO4- (ion in salt)
D. Ozone (gas)
Answer: A
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Which of the following occurs in the cumulus stage of an ordinary cell thunderstorm?
A. Hail is common. B. Thunder and lightning frequently occur. C. Cool air near the ground rises. D. Moist air rushes upward and forms an updraft.
In the course of your day, you head to your favorite coffee shop and then get to work on time. On your lunch break you run a couple of errands to stores that you always go to. On your way home, you take the longer route by the river because it is so pretty. You do all of this using ________.
A. spatial landscapes B. models C. statistics D. mental maps
Check all that apply to the various characteristics of "urban sprawl".
Which term is defined as a measure of the amount of stress that a material can endure before it fails by breaking or flowing?
A) elongation B) strain C) shortening D) strength