Chemical analysis of a rock can tell us
A) when the rock formed
B) the detailed geological history of the rock
C) what the rock is made of
D) the temperature and pressure conditions under which it formed
C
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The energy released in both fission and fusion is mainly in the form of
A) kinetic energy of fragments. B) alpha radiation. C) beta radiation. D) gamma radiation. E) none of the above
A certain photon, after being scattered from a free electron that was at rest, moves at an angle of 120° with respect to the incident direction
If the wavelength of the incident photon is 0.6110 nm, what is the kinetic energy of the recoiling electron? (melectron = 9.11 × 10-31 kg, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s) A) 1.5 × 10-18 J B) 1.9 × 10-18 J C) 3.1 × 10-18 J D) 4.3 × 10-18 J E) 5.2 × 10-18 J
Seawater has a density of 1,025 
at the surface. The bulk modulus of seawater is 
What is the density of seawater at a depth of 10.00 km?
A. 1074 
B. 1230
C. 1574
D. 1764
E. 1973
A thin infinitely large current sheet lies in the y-z plane. Current of magnitude Js per unit length along the z axis travels in the y-axis direction, which is up out of the page. Which diagram below correctly represents the direction of the magnetic field on either side of the sheet?
A.
B.
C.
D.
E.
