Population density is the number of people per unit of area. Usually measured by how many people are in a square mile or square kilometer.
Perspective refers to the framework which is used to explain phenomenon.
The three kind of perspective which geographers used are:
1. Place, scale and space: Geography looks at the world through the lenses of place, space and scale.
2. Geography domain of synthesis: which relates human action to the physical environment.
3. Spatial representation.
D destroyed buildings, fire, volcanoes. This is because the earthquake would mess with buildings' foundations, causing them to fall. This would cause fires across the area, and volcanoes are normally awakened by the earth tectonic plates moving, so eruptions would occur.<span />
Answer:
water boils at 100 degrees Celsius