Air pressure can be high or low. does air flow from low to high pressure or from high to low pressure?

explanation:

mitosis is used to produce daughter cells that are genetically identical to the parent cells. the cell copies - or 'replicates' - its chromosomes, and then splits the copied chromosomes equally to make sure that each daughter cell has a full set.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.