In chemistry and physics, what is a mole?
a. The number of grams of an element that equals its mass in atomic mass units.
b. The number of ounces of an element that equals its mass in atomic mass units.
c. The number of molecules of an element in a liter.
d. The number of atomic mass units of an element in a liter of its gas.
e. The number of atoms of an element in a liter.
a
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A freely falling object
a. has a uniformly increasing velocity. b. is unaffected by gravity. c. has a uniformly increasing acceleration. d. has a uniformly increasing displacement.
The extrasolar planets are found mainly by observing the ________ shifts of their stars
Fill in the blank(s) with correct word
What is your latitude if the north celestial pole appears on your horizon?
A) 90° N B) 90° S C) 0° D) 45° N
In the context of studying major bodies of our solar system, what category of object does our Moon best fit?
A. jovian moon B. small asteroid C. terrestrial world D. large comet E. jovian planet