10 points
this word means that one event happens at the same time as another event:
a. correlation
b. causation
c. observation
d. occurence

occurrence

Hope it helps.

Sorry if Wrong

D. occurrence is your answer.

Explanation:

Correlation means a mutual relationship or connection between two or more things.

Causation means the action of causing something.

Observation means the action or process of observing something or someone carefully or in order to gain information.

So your only answer is occurrence.

D. occurrence is your answer.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.

answer increasing the intensity, duration,and frequency of exercise progressively;