Earth, the sun, and billions of stars are contained
within
(1) a single constellation
(2) the milky way galaxy
(3) the solar system
(4) a giant cloud of gas

Which of the following planets is classified as a terrestrial planet? a. neptune b. venus c. saturn d. jupiter

[bws.05]where would uncharged particles be most likely found in an atom? o on the electrons o inside the protons o inside the nucleus outside the nucleus

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