Together which two gases make up 99% of Jupiter's atmosphere?
A) Ammonia and methane
B) Water vapor and methane
C) Helium and ammonia
D) Hydrogen and ammonia
E) Hydrogen and helium
E
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The 
O nucleus is unstable. To what will it decay?
A.
N + e+ + ?
B. 
N + e+ + ?
C. N + e- +
D.
N + e+ + ?
E. F + e- +
According to the Pauli Exclusion Principle for n = 4, the occupation limit of electrons is:
A single-turn plane loop of wire with a cross-sectional area 200 cm2 is perpendicular to a magnetic field that increases uniformly from 0.200 T to 2.800 T in 2.20 seconds
What is the magnitude of the induced current if the resistance of the coil is 8.00 ?? A) 2.95 A B) 3.18 A C) 0 A D) 3.18 mA E) 2.95 mA
A radiating body originally has a Kelvin temperature To, and its surroundings are at 500K (To > 500K). If the Kelvin temperature of the radiating body is increased to 3To,
the net rate at which the body radiates increases by a factor of 333. What was the original temperature To?