If the contour interval of a map is doubled, how many contour lines are needed to show the same increase in elevation?
a. half as many
b. twice as many
c. the same number

Eastern europe and parts of northern europe have which of the following climates?

How much water is in the ocean in cubic kilometers

The distance a car travels between the time the driver decides to stop the car and the time the driver puts on brakes is called the reaction distance. how does the reaction distance change with speed? a. reaction distance decreases with with speed b. reaction distance stays the same with speed c. reaction distance increases with speed. d. there is not enough information to answer the question