The main function fo the placenta is to

What is responsible for the uneven heating between the poles and the equator on any given day

By going through the process of cellular respiration the cell can gain molecules of atp.

Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form