Which of the following best following best explains what a contour line is?
a) a line that connects the peaks and valleys of an area
b) a line that represents continuous points of equal elevation
c) a line that connects all the high points on a topographic map
d) a line that separates the tree from the grasslands on the shaded relief maps.
Ans: b) a line that represents continuous points of equal elevation
You might also like to view...
OPEC
A. controls about 40 percent of the world's oil production. B. countries are all in the Middle East. C. consists of Arabic countries. D. All of the statements are correct.
As air sinks in a valley fog it
A. cools adiabatically but it is still warmer than surrounding air; surrounding air is cooled to the dew-point. B. warms adiabatically but it is still cooler than surrounding air; surrounding air is cooled to the dew-point. C. cools adiabatically but it is still cooler than surrounding air; surrounding air is cooled to the dew-point. D. warms adiabatically but it is still warmer than surrounding air; surrounding air is warmed to the dew-point.
All isotopes are unstable
Indicate whether this statement is true or false.
The four schematic cross sections below show the potential groundwater resources for an area of hills and valleys. Assume the region is underlain by an open aquifer composed of sand and gravel and receives plentiful rainfall. Which diagram is the best representation of the relationship between topography and water table?
A. Diagram A B. Diagram B C. Diagram C D. Diagram D