Q: What happens to aquatic life if acidity is higher or lower than a narrow range?\nOptions:\n- (A) Plant growth is reduced\n- (B) They may not survive.\n- (C) Aquatic life sinks\n- (D) harm them\n- (E) It is endangered\n- (F) Damages them\n- (G) Aquatic life moves to dry land\n- (H) Aquatic life flourishes
Let's think step by step below.

User
All life relies on a relatively narrow range of pH, or acidity. If the pH level is higher or lower, aquatic life is endangered. Aquatic life is endangered if acidity is higher or lower than a narrow range.
Thus, the answer is (E).
Assistant