Explain what circumstances make streamflow so unsystematic and irregular
What will be an ideal response?
Answer: Water is a liquid which has little internal friction but experiences friction with its banks. As irregularities of the bed are encountered, turbulence and increased friction occur. This forms many turbulent eddies which mean many different directions in stream velocity and speed over short amounts of time at any place in the stream.
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The layered appearance of foliated metamorphic rocks is due to the
A. realignment of minerals so that they are perpendicular to compressive forces. B. mechanics of weathering minerals. C. laying down of minerals, layer upon layer. D. recrystallization of minerals.
Japan recycles more of its waste than the U.S.
Answer the following statement true (T) or false (F)
What is the function of a catalytic converter?
A. It reduces carbon monoxide from vehicle exhaust. B. It reduces volatile organic compounds from vehicle exhaust. C. It reduces nitrogen monoxide from vehicle exhaust. D. All options are correct.
What is the term for the transparent part of a window?
a. glass b. glazing c. light d. lens