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Biology, 08.02.2021 22:20 caitybugking

BIOLOGY STUDENTS, I NEED UR HELP.. Substances transported in the phloem are carried upwards in the stem at some time of the year and downwards at other times. Explain why substances are transported in the phloem upwards at one time of the year and downwards at another. *

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BIOLOGY STUDENTS, I NEED UR HELP.. Substances transported in the phloem are carried upwards in the s...

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