You are stuck in a room after a major earthquake and firefighters are looking for you. There is only one window open and it's ve
ry tiny... live wires are hanging from the ceiling and there is water on the ground from plumbing being messed up... all you have to work with is a metal pipe, a fire extinguisher, 4 science textbooks, 4 tables and 4 chairs. You need to get a message out that you are there. What are some efficient ways to get out?
Scream as loud as you can for help sense there are firefighters outside. If they still can't find you use the fire extinguisher out the window as a signal flare to show where you are.
It is also called the real density and is a measured by the total number of people divided by the total land area.
While the population density is the measurement of the population per unit of area or unit volume and is frequently used to a living organism and is a key variable to measure of the population characteristics and pattern.
