The slope of a distance vs. time graph is the __________
Fill in the blank(s) with correct word
velocity
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The ______________ principle says that no two electrons that occupy the same space can have the same quantum numbers.
Fill in the blank(s) with the appropriate word(s).
An airplane flying with a constant speed flies from a warm air mass into a cold air mass. The Mach number will
a. increase. b. decrease. c. stay the same. d. become unstable.
What key process underlies why Mars changed so much from its early conditions to its conditions today?
a. Outgassing. b. Interior cooling. c. Slowing of its rotation rate. d. Evaporation of its ocean.
Astronomers have determined that the gas giants are made mostly of hydrogen and helium. Given what you have learned about planetesimal formation through accretion, and the types of materials that condensed at certain distances from the Sun, which of the following is the most likely way that the gas giants formed?
A. Because hydrogen and helium could not condense into a solid at the temperature of the Solar Nebula, the gas giants must have formed elsewhere and been captured by the Sun's gravity. B. Hydrogen and helium condensed into a solid and accreted to form the gas giants. C. Rock, metal, and ices made of materials such as water, ammonia, and methane, condensed into a solid and grew large enough to gravitationally attract hydrogen and helium gas from the Solar Nebula.