Answer:
the formula to calculate speed is d/t.
Your answer would be surface runoff
Answer:
i think it is obtain energy for the cell
Explanation:
The aufbau principle, from the German Aufbauprinzip (building-up principle), also called the aufbau rule, states that in the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels before occupying higher levels.
