The process of gradual change in an environment over time is known as .
A. Competition
B. Evolution
C. Succession
D. Niches

evolution

Explanation:

the gradual development of something, especially from a simple to a more complex form.

it's the release of intestinal gas, which forms as a result of digesting food. when partially digested carbs reach the colon, bacteria convert part of that food into hydrogen and carbon dioxide gasses. you cant stop the stink, its a gas that comes naturally.

explanation:

idk im sorry.