Answer:
Either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
2 with D and 1 with E and
Cell is our microscopic structure. We have Trillions of cells in our body, which plays very important roll. Our every tissue, organ, organ system, our whole body has composed of cells. In order to make a nice and informed decision for our health, we must need to understand our body at cellular level
Hope this helps!
Answer:
Greenhouse gases have far-reaching environmental and health consequences.
Answer:
pre zygotic barriers including temper isolation
