= The quantity theory of money states that MV
PQ. A tripling in the quantity of money must
lead to what effect?
A. a tripling of price or quantity
B. a tripling of price
C. a tripling of quantity

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

20 the compound al(nh3)2 has atoms of nitrogen.

The basic types of tissue in the human body are