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Murljashka [212]
3 years ago
9

Tracheids and vessels together make up

Biology
2 answers:
Keith_Richards [23]3 years ago
7 0

d.) a plant cell is the answer

givi [52]3 years ago
4 0

A is your answer hope this helps :)

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One of the buffers that contribute to pH stability in human blood is carbonic acid (H2CO3). Carbonic acid is a weak acid that, w
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