what is the critical, needed variable for soils to develop, if all other factors are the same?
a. Time.
b. Parent material.
c. Climate.
d. Relief.
a.Time.
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The period of a satellite depends on its
A. radial distance. B. mass. C. weight. D. all the above
Jupiter has about 317 times more mass than Earth. What can you infer from this fact?
A. That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force. B. That Jupiter’s gravitational force is much stronger than Earth’s gravitational force. C. That Jupiter’s and Earth’s gravitational forces are equal. D. Mass has no effect on the gravitational force between two objects
________ is the percentage of a rock or sediment that consists of void space.
A. Permeability B. Porosity C. Void index D. Holiness E. Vugosity
A biological community's productivity is a measure of
A. Its number of species B. The number of individuals in the community C. The amount of biomass produced in the community D. Available solar energy that can be converted to biomass E. All of these are combined in measuring a community's productivity