How could you distinguish a volcanic crater from a caldera? What will be an ideal response?
A crater is a conical or funnel-shaped depression, usually less than 1 km in diameter, at the summit of
a volcano. A caldera is a larger, steep-sided depression that formed by collapse of the summit
following explosive eruptions
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Gemstones are precious minerals used for decorative purposes
a. True b. False
What is the tendency of pausing air masses over land?
a. They become low pressure systems when they pause. b. They become high pressure systems when they pause. c. They take on the characteristics of the land below them. d. They finally become uniform in temperature, humidity, and density.
What type of rock likely composes the landscape shown in this photograph from the Investigation?
A. volcanic rocks, probably basalt B. metamorphic rocks C. sedimentary rocks D. granite
The weakness of electric cars is their ____.
A. noise level B. maintenance cost C. size D. slow acceleration E. price