What rock type is the most common setting for caves formed by dissolution of a rock?
A. slate
B. dark porous lava flows
C. gray limestone
D. well-sorted sandstone
E. gray granite
Answer: C
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Which of the following is the main source of energy for a hurricane?
A. upper-level jet stream B. warm ocean water and the release of latent heat of condensation C. ocean currents and tides D. warm air rising and cold air sinking in the vicinity of weather fronts
On a weather map, a blue line with blue triangles signifies a(n) ____________________
Fill in the blank(s) with correct word
Since the 1970s, the mean global temperature has risen by about 0.6°C
Indicate whether the statement is true or false
A beaker of salt water has some solid salt at the bottom? What type of solution is in the beaker?
A) a saturated solution B) a supersaturated solution C) an unsaturated solution D) We cannot tell.