It’s mass and speed. This is because the equation for Kinetic energy is KE=1/2mv^2
Answer: ability to process foreign DNA; stop protein production
Explanation:
The medication would be the controlled variable, the factor that remains constant.
Answer: It's known as the continental drift :)
Explanation: "Pangea's existence was first proposed in 1912 by German meteorologist Alfred Wegener as a part of his theory of continental drift. Its name is derived from the Greek pangaia, meaning “all the Earth.”" (copied from google)