| A | B |
|---|
| population pyramid | graph of gender & population |
| population density | avg. # of people in an area |
| GNP per capita | avg. amount of money per person |
| infant mortality | # of deaths under age 1 per 1000 births |
| life expectancy | average length of life in a place |
| literacy rate | percentage of people who can read/write |
| volcano | opening in earth's surface where magma and ash flow |
| plate tectonics | the way continents move and rub against each other |
| Ring of Fire | famous Pacific Ocean chain of volcanoes |
| monsoon | seasonal wind change that creates rainy season in Asia |
| hurricane | massive tropical storm in western hemisphere |
| typhoon | same as hurricane only in eastern hemisphere |
| pollution | putting harmful particles into the environment |
| climate | weather pattern in a local area over 30-50 year period |
