What proportion of people live in urban areas in the United States?
A) 29% B) 79% C) 53% D) 83% E) 70%
D
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What are the four basic forces in the universe?
a. gravity, electric, magnetic, and strong nuclear b. gravity, electromagnetic, strong nuclear, and atomic c. gravity, electromagnetic, strong nuclear, and weak nuclear d. gravity, electric, magnetic, and atomic e. gravity, electromagnetic, atomic, and nuclear
The term of "Sedimentary Basins" refers to a depression, created as a consequence of subsidence that fills with sediment.
a. true b. false
In AMP, ADP and ATP the phosphate is linked to ribose through which carbon atom?
A) C-1 B) C-2 C) C-3 D) C-5
The lithosphere is ________
A) landforms B) landforms and oceans C) the main Earth subsystem D) not one of the Earth's subsystems E) another name for the atmosphere