What element is the most abundant in the earths crust ?

The most efficient way to establish the best possible economizer position is to measure

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

1) this is the structure in the cell nucleus that houses a cell's genetic information