Which molecule is most polar?
A. S=C=S
B. O=C=S
C. O=C=O
D. These all have the same polarity.
Answer: B
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What driving force of plate movement is likely dominant?
A) ridge push B) slab pull C) mountain rise D) valley fall
One widely used method for desalinating water is ____.
A. activated carbon filtration B. subsidence C. transpiration D. reverse osmosis E. treadle pumping
The greenhouse effect occurs due to ________.
A. CO2 reflecting heat back towards the earth's surface B. CO2 deflecting heat away from the earth surface C. the lack of CO2 D. ozone attaching itself to the CO2 and replacing a portion of the earth's oxygen
Which of the following is bordered by warm water?
A) eastern coasts in the middle latitudes B) western coasts in the middle latitudes C) western coasts in the subtropics D) eastern coasts in polar regions E) none of the above