Sharks are:
a. bony fish
b. all meat eaters.
c. ancient.
d. almost all aggressive toward humans.
c
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Which of the following conditions is best suited to create an advection fog?
A) Vertically descending dry, cold air moving over a warm surface B) Vertically rising moist, warm air moving over a cold surface C) Laterally moving dry, cold air moving over a warm surface D) Laterally moving moist, warm air moving over a cold surface
Hydraulic fracturing breaks what kind of rock layer to release methane?
A. Slate B. Limestone C. Shale D. Granite
A 5.0-kg blob of clay moving at 2.0 m/s slams into a 4.0-kg blob of clay at rest. The speed of the two blobs stuck together after colliding is about
A) 1.1 m/s. B) 1.5 m/s. C) 2.5 m/s. D) none of the above
The rigid crust and uppermost mantle are known collectively as the
A) asthenosphere. B) lithosphere. C) Moho. D) Gutenberg discontinuity.