Stratigraphy is used to determine the composition of rock. determine the pattern of water flow through rock. study the process of rock formation. determine the relative age of rock strata.

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Which part of a mountain receives the majority of moisture due to the rain shadow effect? a. the leeward side b. the windward side c. the bottom of the mountain d. all parts of the mountain receive equal amounts of moisture.

The point (-2,5) is located in quadrant