Chemistry, 10.10.2021 14:00 rodneydean5780
Which of the following are not mixtures: milk, tin, sulfur, cough linctus, brass, gold?
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Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.
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Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
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What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
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How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?
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Which of the following are not mixtures: milk, tin, sulfur, cough linctus, brass, gold?...
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