A major asteroid impact could easily cause
A) global fires.
B) ozone loss.
C) extended darkness.
D) acid rain.
E) all of the above
E
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Which of the following is the correct electron-dot structure for chlorine (atomic no. = 17)?
A. a B. b C. c D. d E. e
In a normal fault ________.
a.) the footwall block below an inclined fault plane moves downward relative to the other block b.) the footwall block above an inclined fault plane moves upward relative to the other block c.) the hanging wall block above an inclined fault plane moves downward relative to the other block d.) the hanging wall block below an inclined fault plane moves downward relative to the other block
Light or moderate-but-steady precipitation is most often associated with __________ clouds
a. nimbostratus b. cirrostratus c. cirrocumulus d. cumulonimbus
select all of the following that are true about protists
a. some protists are important autotrophs found in plankton b. protists are the most diverse group of eukaryotes c. protists are the most diverse group of eukaryotes d. all protists are unicellular e. some protists can produce toxins in deadly red tides and algal blooms f. products from algae are used as thickeners and stabilizers in food products, cosmetics, toothpaste, and other products