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Biology, 21.08.2019 14:00 Desinfektionsmittel

Which of the following is true about acid rain?
a. it is more acidic that normal rain.
b. it is less acidic than normal rain.
c. all rain is acid rain.
d. there is no such thing as acid rain.

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Which of the following is true about acid rain?
a. it is more acidic that normal rain.
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