Very long ...........i think.....
The measure of the average energy of motion of particles in matter. Thermal Energy. The total energy of motion of particles of matter
The answer is b an astronomical unit
Out of the choices given here, the one that would best categorize Canada's population is they are concentrated in the south. The correct answer is D.
Population density is the study of how many people live in some area as compared to other areas - this helps for example predict whether the area can preduce enough food for itself. It is measured in the number of people per a unit of area.
The correct answer then is:
<span> the number of people who live in a square mile or kilometer</span>