What is the critical step in nuclear reactions in a nuclear reactor?
a. Chemical reaction between fuel and oxygen
b. Fission
c. Radioactive decay
d. Melt
Answer: b. Fission
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Which of the following processes occurs when fog "burns off"?
A. It evaporates. B. It thickens from the ground up. C. It absorbs sunlight and warms up. D. It settles to the ground in the form of rain.
When studying sedimentary rocks, it is important to understand their environment of deposition. What is the environment of deposition and how can it contribute information about the geologic history of the rock?
What will be an ideal response?
Why does the manufacture of bottled and canned beverages tend to locate near its markets?
A) because of government regulations B) because such beverages are a perishable good C) because of industry tradition that dates back to the earliest days of Coca Cola D) because water, a ubiquitous raw material, is the largest part of the weight of the finished product E) all of the above
Which type of basaltic lava flow has its surface covered with sharp-edged, angular blocks and rubble?
A) pillow lava B) aa C) pahoehoe D) scoria