Biology, 29.09.2020 02:01 nmjohnson2025
Doctors use the radioactive isotope chromium-51 to label red blood cells in the human body. Chromium-51 gives off relatively alpha particles that can be stopped by .
A) energetic; lead
B) weak; a sheet of paper.
C) weak; a thin sheet of copper.
D) energetic; a thick sheet of copper.
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The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere
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Modern computers can store about as much information as the human brain. true false its false i took the test
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Doctors use the radioactive isotope chromium-51 to label red blood cells in the human body. Chromium...
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