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Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels
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Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion
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In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -
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Physical symptoms of an alcoholic might include flushed skin, poor overall, and intestinal pain in t...
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