Organisms rely on a relatively narrow range of what?
Options:
- (A) Decibels
- (B) water
- (C) food
- (D) relativity
- (E) acidity
- (F) spectrum
- (G) balance
- (H) Light Let's solve this problem gradually.
All life relies on a relatively narrow range of pH, or acidity. All organisms have a life-span. Organisms rely on a relatively narrow range of acidity. So the final answer is (E).