Which of the following is a renewable method to generate electricity?
A. wind
B. geothermal
C. hydroelectric
D. All of these are correct.
Answer: D
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Earth's interacting subsystems or "spheres" are the
A. lithosphere, atmosphere, hydrosphere, biosphere, and ecosphere. B. lithosphere, hydrosphere, atmosphere, and biosphere. C. lithosphere, hydrosphere, and atmosphere. D. biosphere, lithosphere, and atmosphere.
The density of Earth's crust, mantle, and core increases moving toward Earth's center because
A) Earth's elements are distributed evenly throughout its interior. B) Early in Earth's history, it separated into layers according to density. C) Earth is plastic throughout its structure today and in the past. D) The charged particles flowing in the outer core repel the lighter elements found at Earth's surface.
Most of Australia has less than 20 inches of precipitation per year
Indicate whether the statement is true or false
Consider the shallow ocean basins and current climate in the Persian Gulf. What kind of rocks would you expect to be forming there, and how would they form?
What will be an ideal response?