Answer:
The pressure of a gas in a closed container increases if the volume of the gas decreases. Pressure and volume have inverse relationship which means if one increases the other decreases and vice versa. If pressure increases, volume of a gas decreases because there are a lot of empty spaces present between gas particles which are filled when gas particles come closer to each other due to applied of pressure.
The answer is definitely not D. why would the cell dicard DNA? Everything is used and reused in a cell. The correct answer is A, after the helicase comes in and splits the DNA into two it just has to add the corresponding nucleotides and there you have it: two stands of DNA both containing a old stand and a new one
