According to Newton's third law of motion, which are equal?
A. momentum and velocity
B. collision time and stop time
C. mass and momentum
D. action force and reaction force

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of