Which Galilean moon of Jupiter is volcanically active?
A) Io
B) Europa
C) Ganymede
D) Callisto
A
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Newton's version of Kepler's third law states: p2 = × a3 Solve this equation to find the combined mass of a planet and its satellite, given the orbital period and average separation.
A) M1 + M2 = 4G?2 × B) M1 + M2 = × C) M1 + M2 = × D) M1 + M2 = ×
Which of the following correctly arranges the layers of Earth’s atmosphere from closest to the surface to closest to space?
a. troposphere, stratosphere, exosphere, thermosphere b. stratosphere, exosphere, thermosphere, troposphere c. troposphere, stratosphere, thermosphere, exosphere d. thermosphere, troposphere, stratosphere, exosphere
One mole of an ideal gas at 1.00 atm and 0.00°C occupies 22.4 L. How many molecules of an ideal gas are in one cubic centimeters under these conditions?
a. 6.72E+24 b. 2.24E+4 c. 2.69E+0 d. 6.02E+23 e. 3.72E+20
In stainless steel, nickel and chromium atoms form a _____________solid solution in iron.
Fill in the blank(s) with the appropriate word(s).