In order that an electron interact with a magnetic field, the electron must be
A. stationary.
B. moving.
C. part of an electric current.
D. spinning.
Answer: B
Environmental & Atmospheric Sciences
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During the late Paleozoic, the present-day North America, Europe, western Asia, Siberia, and perhaps China formed the northern continent of ________
A) Gondwanaland B) Greenland C) Laurasia D) Africa E) none of the above
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What are the major factors that control the rate of chemical weathering? What will be an ideal response?
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Compared with the rise of a stream hydrograph leading up to the peak discharge, the return to an average flow typically occurs much more quickly
a. True b. False Indicate whether the statement is true or false
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What are the dry interior drainage basins often called?
A) Desert Pavement B) Playas C) Uluru D) Olga E) none of the above
Environmental & Atmospheric Sciences