What do the lines making a circle around the low-pressure area indicate?
missing metadata

a.
an occluded front

b.
areas of equal altitude

c.
areas of equal pressure

d.
a stationary front

Amountain is larger than a hill, with steep sides true or false

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

Over half of the african-american population in the united states live in