The Montreal Protocol addressed _____
a. global warming and was not successful
b. criteria pollutants and was successful
c. ozone depletion and was successful
d. acid deposition and was successful
Answer: C
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________ dominate subsistence agriculture
A) Lettuces and other leafy vegetables B) Various varieties of squash C) Potatoes, yams, and other tubers D) Rice and other grains E) Pigs and chickens
If you were on a geology field trip in an area of glacial deposition, how would you distinguish between samples of till and stratified drift?
A) with a rock hammer B) by comparing their grain size and sorting C) by comparing the specific gravity of the two samples D) with hydrochloric acid
Upwelling ___.
a. brings deep water nutrients to the ocean surface promoting high primary productivity b. transports oxygen from deep to surface waters c. occurs when winds blow at right angles to a coastline d. is the flow of warm water upward toward the ocean surface
Galileo observed several features using the telescope. Which one of the following did he not discover?
A) Jupiter's four largest moons B) sunspots C) the two moons of Mars D) phases of Venus