Anything that causes a reaction is considered a stimulus true or false?

True

Explanation:

Stimulus refers to any changes in the internal or external conditions of the organisms. Organisms sense the stimulus with the help of sense organs and respond in a certain way. For example, there is an increase in breathing rate during exercise to meet the increased demand for oxygen by muscles in human.

the answer is c cumulus. cumulus clouds can be seen on a gray and rainy day, because cumulus clouds create thunderstorms. give me brainliest if right.

answer; the correct answer is desert plants;