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Biology, 22.06.2019 03:00
Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.
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Biology, 22.06.2019 08:40
What substance acts to prevent sudden ph changes in bodily fluids?
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Biology, 22.06.2019 12:20
Which organ controls breathing? lungs alveoli heart diaphragm
Answers: 2
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