Where does most evaporation of moisture to the atmosphere occur?
A. from vegetation on the land surface
B. from the oceans
C. from freshwater streams and lakes
Answer: B
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Where would you expect to isolate molecules in a fractionating tower that have very few interatomic attractions?
A. near the bottom B. Fractional distillation takes advantage of molecular weight. C. Fractional distillation takes advantage of the number of isomers. D. near the middle E. near the top
Why is there special concern about timber firms in Japan and China purchasing logs from North American conifer forests?
A) Japan gets a discount on the logs. B) Japan does not hire U.S. workers to cut the trees. C) These trees are often cut from public forests in the U.S. D) At this time, the U.S. and Japan are involved in a larger trade dispute. E) All of the other answers are correct.
Glaciers
A) add much water to the atmosphere. B) have no significant effect on global temperatures. C) are usually stationary. D) are more extensive now than they were in the last ice age. E) reflect solar energy back into space.
Which of the following is an INCORRECT pairing?
A) Factory discharge of warm water into a lake — Point Source Pollution B) Municipal treatment plant — Point Source Pollution C) Fertilizer runoff — Nonpoint Source Pollution D) Dumping chemicals (such as motor oil and antifreeze) into storm drains — Point Source Pollution E) Precipitation that collect airborne contaminants — Nonpoint Source Pollution