Rain is called acid rain when its:
(a) pH falls below 7
(b) pH falls below 6
(c) pH falls below 5.6
(d) pH is above 7
Answers
Answered by
3
Answer:
d) pH is above 7
Explanation:
With a pH range of 5-6, natural rainwater is mildly acidic. It becomes acid rain when the pH level of rainwater falls below this range. Therefore, the pH of acid rain is approximately 4 to 5. So, option D) is the correct option.
Answered by
2
Answer:
Rain is called acid rain when its:
(a) pH falls below 7
(b) pH falls below 6 ✔️
(c) pH falls below 5.6
(d) pH is above 7
Explanation:
pH lower than 6.0 pH
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