Answer:
the study of the properties of moving air and the interaction between the air and solid bodies moving through it.
Explanation:
Answer:
Density is a word we use to describe how much space an object or substance takes up (its volume) in relation to the amount of matter in that object or substance (its mass). Another way to put it is that density is the amount of mass per unit of volume.
Answer:
go on youube and learn. thats what i did
Explanation: