Metamorphism occurs for which class of rocks?
a. Metamorphic only
b. Sedimentary only
c. Igneous only
d. All of the above
d
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An astronaut weighs 99.0 N on the Moon, where the acceleration of gravity is 1.62 m/ s2. How much does she weigh on Earth?
A) 16.2 N B) 61.0 N C) 99.0 N D) 600 N E) 440 N
Rocks begin to deform when they are stressed. Near Earth's surface, when stress is severe, the rock
A) behaves plastically—it folds and flows. B) Is brittle—it breaks producing faults and fractures. C) has brittle deformation—it folds and flows. D) has plastic deformation—it faults and fractures.
Carbon dioxide and water molecules in the atmosphere will absorb:
a. infrared light. c. ultraviolet light. b. visible light. d. radio waves.
Silicon is FCC with an atom at 0,0,0 and an atom at 1/4,1/4,1/4 and a lattice parameter of 0.543 nm.
(a) How many atoms are there in this FCC unit cell? (b) Calculate the number of atoms per unit volume based upon the unit cell. (c) Calculate the number of atoms per unit volume based upon the density of 2.33 × 103 kg/m3.