Answer:
Magnetic reversal proves seafloor spreading because we can see the polarity of the Earth's magnetic field in rocks. As magma cools, particles in it get “frozen” in the direction of the magnetic field. ... The magnetic evidence shows that the oldest rocks are far away from the ridge and the newest rocks are closest.
I would say Nucleic Acids
Answer:
a person who receives or entertains other people as guests.
Explanation:
I believe passive transport is a form of diffusion. And it doesn't require any energy unlike active transport.
