Which method below describes how scientists have tried to modify hurricanes?
a. putting an oil slick over the ocean water and igniting it
b. seeding the hurricanes with silver iodide
c. igniting huge smoke bombs in the eye of the storm
d. seeding the hurricanes with hair-thin pieces of aluminum called chaff
e. cooling the ocean temperatures
ANSWER: b
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A) marble. B) greenstone. C) amphibolite. D) hornfels.
Why didn't ice gather in central and northern Alaska in the last ice age?
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________ will occur when continental collisions occur, thickening the crust and forcing some rocks to a depth where melting can take place
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Couplings are tightened and loosened with a _____ wrench.
a. hose b. hydrant c. spanner d. lug