Index contours on a topographic map can be easily identified because they a. are bold in color
b. have elevation numbers associated with them
c. occur at regular intervals on the map
d. all of the above

The current is like a stream or river in the ocean true or false

Why did the people of kamchatka oppose a mining project there

Match your vocabulary word to its definition. 1. emigration 2. immigration 3. migration 4. overpopulation 5. sustainable development 6. under population 7. unsustainable development 8. urbanization the movement from one place to another the number of people exceeds the available natural resources in an area leaving one's homeland to settle in a new place the increase in the population of a city the movement of people to a new country the ability to meet current needs without reducing the ability to meet future needs resources being used up at a faster rate than they can be replenished birth rate insufficient to replace the existing population