________ lightning is extremely dangerous since it can occur from a relatively cloud-free sky
A) Sheet
B) Heat
C) Anvil
D) Cloud-to-cloud
Answer: C
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The blue color of the sky is due to ____
A) selective scattering of visible light by air molecules B) the filtering effect of water vapor in Earth's atmosphere C) reflection of sunlight off the Earth's oceans D) transmission of visible light through the ozone layer in Earth's stratosphere
Which of the following NSAID drugs is not chiral?
A) aspirin B) ibuprofen C) naproxen D) None, they are all chiral.
By examining a surface map, the movement of a surface low pressure area can be predicted because
a. low-pressure areas tend to move parallel to isobars of the warm sector. b. lows tend to move toward the area with the greatest pressure. c. movement is the same as it was during the previous 24 hours. d. once a low is established it always moves toward the east at double the original speed. e. current weather in the region will remain the same.
Volumetrically, the greatest production of new volcanic rock occurs at seafloor spreading ridges.
Answer the following statement true (T) or false (F)