The earth satmosphere is a miure of __,oxygen, water vapor, and other gases

its a mixture of nitrogen, oxygen, water vapor, and other gases.

Explanation:

it just do. hope this helps :)

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms