1. What helps the Earth to stay in its orbit? 2. Name the force that pulls objects towards the
Earth.
3. Will your mass change if you move from place
to place of different altitudes? Why?
4. Will your weight change if you move from
place to place of different altitudes? Why?

"the plan of removing the aboriginal people who yet remain within the settled portions of the united states . . approaches its consummation. . an extensive region . . has been assigned for their permanent residence. it has been divided into districts and allotted among them. many have already removed and others are preparing to go. . " removal of southern indians to indian territory, 1835 this passage is most closely related to a) imperialism. b) the civil war. c) westward expansion. d) the french indian war.