Cool front is not a standard weather front. Cold front, warm front and occluded front are all standard weather front. When you say weather front, it is a boundary that separate 2 air masses.
4 deletion
Explanation:
deletion is a type of genetic mutation involving the removal of a base pair
O-
Jajshicksnsndjsjsnnanf
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
Carbon dioxide + water + energy from light produces glucose and oxygen.