Im not 100% sure but i want to say air and water
Answer:
A. Uses the law of superposition to determine which rock is older or younger.
Explanation:
I majored in Biology
Answer: no, eso es falso
Explanation: es el estudio de los organismos y su entorno.
If Brian has a son who is color-blind, what is known about the genotype of the son's mother?
She must have at least one allele for color blindness.