Why does the enzyme pepsin (present in the stomach) denature in the intestine? a. the enzyme denatures due to change in temperature as it enters the intestine. b. the enzyme denatures due to the alkaline environment of the intestine. c. the enzyme denatures due to lack of substrate molecules in the intestine.

The enzyme denatures due to the alkaline environment in the intestine as enzyme pepsin works best in acidic ph

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.