Answer: option b - 55
Explanation:
Menopause signifies the time in a woman's life when menstruation ends, usually BETWEEN age 45 - 55.
And because of the crucial role played by Oestrogen in menstruation, its LOSS increases the RISK of HEART DISEASE seen in women AFTER MENOPAUSE .
Answer:
2 and 100 million
Because of the difficulties with both defining and tallying the total numbers of different species in the world, it is estimated that there are anywhere between 2 and 100 million different species.