How can a meteorite impact metamorphose a rock? What temperature/pressure conditions will be present?
What will be an ideal response?
Answer: A large, fast-moving body such as a meteorite will impact the Earth at a high velocity, quickly creating a high-pressure, high-temperature environment. The energy of the impact will be transformed into heat energy and shock waves, pulverizing and melting the rock.
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Oil wells are usually able to extract ________ of the petroleum present in an oil reservoir.
A. About 90 percent B. 30 to 40 percent C. All D. About 75 percent E. Less than 10 percent
Two species of insects do not interbreed because their sexual organs will not fit together. This is an example of
A) allopatric speciation. B) sympatric speciation. C) a prezygotic reproductive barrier. D) a postzygotic reproductive barrier.
How do fission power plants work?
A) The heat from a nuclear reaction is used to boil water. B) The neutrons from a nuclear reaction undergo fusion with water to produce hydrogen gas, which drives a turbine. C) The electrons from a nuclear reaction are harnessed to produce an electrical current. D) The krypton gas generated in the fission process is used to drive a turbine. E) none of the above
The four Paleozoic transgressive sequences are in order from oldest to youngest are Tippecanoe,
Sauk, Kaskaskia, and Zuni. Indicate whether the statement is true or false.