D) Water purification programs because if water is contaminated, it can produce a huge amount of illness and sickness worldwide.
Answer:
1. A human body has 23 pairs of chromosomes out of which 2 pairs are sex chromosomes.
2. Male has X and Y chromosomes whereas the female has both X chromosomes.
3. The baby inherits an X chromosome from mother and X or Y chromosome for father.
4. If a baby inherits X from father then the baby will be a girl and if inherits Y then that baby will be a boy.
5. In such a way, sex of the child is determined and it is always determined by the father only.
i beleive the answer is: d. Working out in the morning is more effective than working out at night.
The main reason for the myth is the fact that we burn more calories early in the morning(before we consume any breakfast).
Even though this might be true, What dispelled this perception is the fact that our body typically burn would burn more calories during sleep when we work out at night. So the the overall calorie burned will pretty much the same.
