How are velocity and acceleration related?

question 4 options:

a change in direction does not cause acceleration.

an object moving at a constant velocity is accelerating.

acceleration occurs when velocity changes.

acceleration and velocity are not related.

What element is able to combine with itself and hydrogen to form large molecules ?

What controls activities within a eukaryotic cell?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.