Which statements describe the magnitude of an earthquake? select three options.

it is detected by a seismograph

it is measured by the Mercalli scale

it is based on the size of seismic waves

it is affected by the amount of fault movement

it is used to determine damage caused by earthquakes

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

The dashed segment of the plotted experiment in the graph in the lesson is called an

Where is the only active diamond mine in the u. s.?