Answer:
Because your final periods can be irregular, menopause is confirmed 12 months after your last period. It is not normal to bleed or spot 12 months or more after your last period. Bleeding after menopause is usually a sign of a minor health problem but can sometimes be an early sign of more serious disease.
Answer: energy can be cycled in two directions
Explanation: The arrows show the direction of matter and energy flow and should be two
The answer is: Molecule and Organ system. Hope this helps!
