Answer:
Due to reduced rate of egg production and several disorders caused by hormonal imbalances
Explanation:
Women lose their fertility at the age of 45 while men are able to produce sperm throughout their life. The reasons however for this are not very clear but it has been found that the rate of production of egg decreases with the advancement of age of females. Also the quality of egg degrades thereby reducing the likelihood of an egg being genetically normal. A woman along with faces several disorders due to the hormonal imbalances and one of these disorders is PCOS, ovarian insufficiency etc., which lead to distorted pattern of menstrual cycle.
Answer:
A I believe it is correct
water molecule is one of few molecule that lack carbon atom
h2o
Answer:
mosquitoes
Explanation:
more population means that they will eat more (decrease in mosquito population)
Answer:
1/(5⁹) or 5⁻⁹
Explanation:
This is a Mathematics question rather than a Biology question.
The given fraction is:

This fraction can be rewritten as:

Therefore, the quotient of the given fraction is 1/(5⁹) or 5⁻⁹