B. Two alleles control a Mendelian trait such as pea seed color
i'm sorry i didn't understand b and c but i can help you with a)
Explanation:
The human body has the ability to thermoregulate, so when the temperature rises, the blood vessels dilate, and the body emits more heat than it receives, and therefore sweat is released to cool the body. Hence, the higher the temperature the greater the sweating
hope it helps ;)
Elements are pure substances made up of atoms
The lower the fossil the older it is.
So, if two fossils were in different layers of sedimentary rock, the lowest fossil is older.
