| A | B |
| environment | total surroundings of person |
| natural environment | physical features; oceans, mountains |
| human environment | made up of population distributions |
| megapolis | population center made up of 2 or more cities that have grown together |
| conservation | using resources in the environment carefully |
| preservation | keeping the environment in or restoring it to its natural state |
| finite | a fixed amount |
| replenishable | resources that can keep reproducing themselves |
| personal space | area immediately surrounding a person |
| regional space | area around a person which tat person can see |
| national space | area in which a government has power |
| world space | awareness that all people in the world can affect one another |