What is one additional approach, besides the study of the baseball, that geologists use to gain knowledge about Earth's interior?
A) Geologists infer the interior composition at deep levels from calculations of Earth's density.
B) Geologists collect and study data from volcanoes, mainly about the lava, to gain knowledge about the interior.
C) Geologists use energy from earthquakes to construct images of Earth's interior.
D) Geologists go as far into the center of the earth as possible by exploring in drilled boreholes and mines, going as deep as possible.
Answer: A, C
You might also like to view...
One example of horizontal water movement is called downwelling
Indicate whether the statement is true or false
Rossby waves
A) have troughs that develop behind surface cold fronts. B) can have up to three troughs for every ridge, and vice versa. C) have little effect on divergence aloft. D) have little effect on surface pressure.
Volcanic eruptions destroy buildings and productive land, and cause injuries and fatalities to life. Why, then, is volcanism considered a constructive process?
The first step in constructing a contour map of a water table is to
A. determine the amount of water present in the subsurface. B. collect water quality data and plot it with all available wells in the area. C. calculate the age of the water in the water table. D. collect and plot the elevations of the water table in all available wells in an area.