Seudónimo Seudónimo

14-10-2016
Biology

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help mee plzzzzzz THERE IS A ATTACHMENT SO WAIT AT LEAST 30 SECONDS PLZZZZ

help mee plzzzzzz THERE IS A ATTACHMENT SO WAIT AT LEAST 30 SECONDS PLZZZZ class=

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anneball78 anneball78

14-10-2016

The first answer is, B (it promotes algae growth.)
The second answer is, D.
The third answer is, B.
This is just out of my brain. So they might not be perfect.

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mayday2213 mayday2213

14-10-2016

7. D
8. B
9. C
I do hope these help

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