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Vocab
SS Gr. 7 Chap 2
| Question | Answer |
|---|---|
| areas of flat elevated land that drop sharply on one or more sides | plateaus |
| Formations of natural gravel, rock and sand that trap and hold rainwater underground | aquifers |
| refers to the amount of moisture in the air | humidity |
| wearing away of soil when plant's roots are not present | erosions |
| means to die out completely or disappear | extinct |
| movement of people from one country to another* | immigration |
| number of births per 1,000 | birthrate |
| portion of population at each age | age distribution |
| resources that are easily replaced by Earth's natural process | renewable resources |
| sunshine and trees are examples of | non-renewaable resources |
| small streams or rivers that folow into larger ones | tributary |
| long period without rain | drought |
| branch of geography that studies human populations | demography |
| growing crops and raising animals | agriculture |