All of the following affect the climate of an area except
a. the average precipitation of an area
b. the altitude of an area
c. a very cold day
d. distance from an ocean

Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

This term refers to the number of people per unit area (usually a kilometer or a mile). this could refer to the number of people per square mile in a city, a county, a province, a state, or a nation.

The term "jim crow" is used to describe which of these? a) bans on hunting b) segregation of the races c) preventing women from voting d) creating more public schools