What statement about enzymes and pH is true? A Most enzymes require a very acidic environment to function well.

B Most enzymes require a very basic environment to function well.

C Enzymes are unaffected by changes in pH levels.

D Enzymes require a specific range of pH values to function.

What protects the lining of the stomach from acidic gastric juices?

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.