It is called pre menopausal stage or menopause in which causes night sweats, hot-cold spells and irrational mood swings...
Answer: (a) Membranes prevent protein molecules diffusing out of the blood.
Answer: This is True
Explanation: DNA is copied and carried down into generations every time an organism sexually reproduces.
Light, oxygen, gravity. idk about gravity, but i put it in there for cause
