To be worth studying, a characteristic must have a significant effect upon a majority of the people of a region.
true
false

A/an map shows the types of rock and/or sediment present in a particular region.a map that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.to show the dominant weather pattern in a region over a long period, a scientist is likely to create a/an map.a map has contour lines, which connect points at the same elevation.a map that uses shading to represent rates of violent crime across a state is an example of a/an map.

Political boundaries are determined by the political party in control at the time. true or false

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal