Science, asked by itighosh6289, 5 months ago

Surface water contain the free
CO2 near about..
*
20ppm
O 30ppm
10ppm
O 50ppm

Answers

Answered by AMEERSOHAILDALAWAI1

0

Answer:

surface water contains the free Co2 near about O30ppm

Explanation:

O 30ppm is the answer

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