Answer:
Reasons for failure to continue to use contraception include the following: for some, the risk of producing an unwanted pregnancy adds flavor to the sexual act; some women rationalize their sexual activity, and this usually leads to discontinuation of contraceptive use; failure to change the contraceptive when needs
Explanation:
Answer:
They are in organic
Explanation:
Vitamins are organic compounds derived from plants or animals that are needed in the body at small quantities.
They help in the body's metabolism since they enhance enzymatic activities and can act as co-factors.
They are essential for good health such as vitamin A helps in improving eye sight.
Lack of certain essential vitamins can lead to disease ,lack of vitamin D can lead to Rickets.
Answer:
D
Explanation:
A and B are wrong because environmental impacts can't change the amount of chromosomes an animal has. D is a better answer than c because genetic variation happens within a population rather than an individual.
It's so broad, it includes physics, chemistry and biology
i think in 1838 is the best one
