________ are steep-sided, symmetrical volcanic peaks built of alternating layers of pyroclastic debris capped by high-viscosity andesitic to rhyolitic lava flows that solidify to form protective caps.
A. Scoria cones
B. Shield volcanoes
C. Stratovolcanoes
D. Calderas
Answer: C
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Streams of rivers possess two kinds of energy. Potential energy is the energy of:
a. water molecules. b. position. c. gravity. d. motion. e. channeling.
Several members of a family die of carbon monoxide poisoning. Which of the following is the most likely source of the carbon monoxide?
A) A faulty electric space heater B) A backyard bonfire C) A faulty furnace D) A nearby coal-fired power plant
A breeder reactor is designed to
A. Operate on a very small scale B. Burn on multiple types of fuels, such as plutonium, uranium and thorium C. Be cooled with cadmium cooling rods D. Be safer than any other type of reactor E. Create fissionable plutonium from spent fission reactor fuel
The most important aspect of the WTO to the U.S. concerns ________ ________ ________ in which the U.S. has a strong competitive advantage
Fill in the blank(s) with correct word