Answer:
Hemoglobin is a protein (because it's a molecule that's not a living part of the cell but aids in cell processes).
Pressure = Force/ Area = 3000/2 = 1500 pascal.
Answer:
A magnet is demagnetized. There is a decrease in chemical potential energy. There is an increase in thermal energy. And there is an increase in energy in the form of demagnetization.
It is younger because there had to be rock layers already present for that to be possible.
