Thea Answer is I think 77
<span>The amount of fuel used to heat and cool your home can be reduced by good insulation.</span>
Organisms need cell division to survive and multiply. The main goal of cell division is to make more cells. For example, most of the cells in the human body are somatic cells and divide regularly. This cell and tissue turnover is important for the organism's health and growth.
Charles Darwin proposed this theory ! in this, one who is fitted for the reproduction and survive the competition will be selected by nature !