In general, acid deposition has harmful effects for terrestrial ecosystems when it falls below a pH level of Naim 12:31 AP Environmental Science Chapter 18 In general, acid deposition has harmful effects for terrestrial ecosystems when it falls below a pH level of a. 3.6 b. 4.6 c. 5.6 d. 6.6 e. 7.6 Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
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