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Biology, 15.10.2019 01:00 kyleeeeee94

21.
upwelling is a process where water moves from deeper parts of the sea to the surface.
this water contains a lot of nutrients from the remains of dead organisms.
(a)
(i)
nitrates and phosphates are two of these nutrients. they provide a source of
nitrogen and phosphorus for cells.
give a biological molecule that contains:
1. nitrogen
2. phosphorus

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21.
upwelling is a process where water moves from deeper parts of the sea to the surface.
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