Icicle-shaped rock spires hanging from the ceiling of caverns are called:
a. stalagmites.
b. stalactites.
c. tower karst.
d. disappearing streams
e. columns.
B
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A good reflector of radiation is a
A) good absorber of radiation. B) good emitter of radiation. C) poor absorber of radiation. D) none of the above
__________ a region from which a phenomenon (cultural trait) originates
Fill in the blank(s) with correct word
In 2010, Iceland's Eyjafjallajokull volcano erupted. One of the results was that
A) devastating erosion sculpted the land into large ravines. B) most cattle and horses were killed by toxic gases. C) grasses were covered by ash and were unfit for livestock to eat. D) parasitic diseases spread quickly through livestock populations.
Tornado intensities are determined by the ____
a. Enhanced Fujita Scale b. Saffir-Simpson Scale c. Tornadic Scale d. Severe Weather Scale e. Coriolis Scale