Which of the following best describes natural laws?
A) They are assumed by scientists to operate in the same way throughout the universe.
B) They have gradually and spontaneously changed over long periods of time.
C) They have been changed several times as the result of experimental data.
D) They apply to matter but not to energy.
A
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Though it began hundreds of years ago, the Columbian Exchange continues
Indicate whether this statement is true or false.
Who is credited for articulating the conservation ethic and for founding the U.S. Forest Service?
A) Theodore Roosevelt B) Gifford Pinchot C) Ralph Waldo Emerson D) John Muir E) Aldo Leopold
Why is soil conservation so vital to sustainable food production? Explain the terracing, contour planting, strip-cropping, alley cropping, shelterbelts, and conservation-tillage methods of farming used for soil conservation.
What will be an ideal response?
The system in which the total quantity of water remains the same and gains must balance deficits is known as the ____
a. precipitation load b. water budget c. adiabatic process d. convergence mechanism