Los Angeles type smog is primarily a result of
A) smoke.
B) fog.
C) photochemical reactions.
D) advected coastal fog laden with salt crystals.
Answer: C
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Where is the drainage basin of the Mississippi?
A) Western U.S. and Northern Mexico B) Southern Canada and Central U.S. C) Central and Eastern U.S. and Western Canada D) Northern U.S. and Northern Canada E) Southern U.S. and Southern Mexico
If scientists did not account for the urban heat island effect when tracking changes in global temperature over time, they would most likely ________ the magnitude of global warming
Fill in the blank(s) with the appropriate word(s).
In order to reduce evaporation and conserve water, do you think it would be better to water a lawn in the early morning or early evening?
What will be an ideal response?
Rapidly growing countries have an age structure that
a. forms an inverted pyramid b. has a broad-based pyramid c. shows little variation in population by age d. has a narrow pyramid e. has a relatively large postreproductive population