What could ultimately be linked to the lack of water on Mars?
A) The large decrease in carbon dioxide.
B) The proximity to the sun.
C) The lack of free oxygen in the atmosphere.
D) None of these choices.
A
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The Andes mountains is an example of a(n) ____
A) ridge system B) island arc system C) passive margin D) active margin
Name and describe at least two of the four characteristics of an environmental non-problem.
What will be an ideal response?
Nuclear power plants in use today rely on ________
A) fusion reactions to create a flow of electrons to generate electricity B) fusion reactions to directly generate electricity C) fusion reactions to generate heat to boil water to generate electricity D) fission reactions to generate heat to boil water to generate electricity E) fission reactions to directly generate electricity
Which of the following is NOT a benefit of dams?
a. Habitat alteration b. Power generation c. Crop irrigation d. Shipping