Which of these nutrients can be found in all organic compounds?
A. nitrogen
B. calcium
...
Biology, 03.12.2020 06:30 chrisboykashifre1999
Which of these nutrients can be found in all organic compounds?
A. nitrogen
B. calcium
C. carbon
D. phosphorous
Answers: 2
Biology, 22.06.2019 10:00
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
Answers: 2
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