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Biology, 21.06.2019 21:00
Explain two reasons you think it is important for scientists to search for new ways to treat cancer
Answers: 2
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.
Answers: 2
Biology, 22.06.2019 06:30
Explain how scientists use geologic time to determine the age of landforms.
Answers: 1
The part of the leaf which is connected to the transport system of the stem and roots is the veins,...
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