It’s mass and speed. This is because the equation for Kinetic energy is KE=1/2mv^2
A feather floating through the air has more kinetic energy because the rock is not in motion its on the ground the feather is moving in the air at a pretty fast rate of speed.
The answer would be A and E
(I explained on the other one)
Answer:
Changes in the environment may leave individuals less well adapted to compete successfully for resources such as food, water and mates. Sometimes an entire species may become unable to compete successfully and reproduce. These problems can lead to extinction.
<em>Do not pick the other answer, it is incorrect!</em>
The correct answer is:
Cyst