A major cause of the differences in elevation between ocean basins and continents is ________
A) temperature B) viscosity C) density D) mass
C
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Which important agricultural substance comes from the atmosphere?
a. nitrate b. phosphate c. potassium d. potash e. calcium
How do geologists reconstruct geologic history with rocks?
What will be an ideal response?
What is fuel loading? What are examples of fuel loading, and what makes fuel combustible?
What will be an ideal response?
How is an inventory of past slide movement usually obtained for input into GIS?
A) A geologist walks the entire area and makes detailed surface observations. B) A geologist looks at aerial photographs of the area. C) A team of geologists makes surface observations and takes core samples to analyze in the lab for evidence of past movement. D) Past recorded seismographs are analyzed by computer technology.