What is the most accurate way to determine the distance to a very distant galaxy?
A) Stellar parallax
B) main-sequence fitting
C) white dwarf supernova
D) Cepheid variables
E) Hubble's law
D
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The most important property of elastomers is the high elastic _________.
Fill in the blank(s) with the appropriate word(s).
How does the energy of atoms in a hot object compare to the energy of atoms in a cold object?
A. Hot object atoms have more chemical and kinetic energy B. Hot object atoms have more chemical energy C. Hot object atoms have more potential and kinetic energy D. Hot object atoms have more potential energy E. Hot object atoms have more kinetic energy
An object may have potential energy because of its
A) speed. B) acceleration. C) momentum. D) location. E) none of the above
The organisms called ______________ were the first organisms with eyes and were wiped out at the end of the Paleozoic era
Fill in the blank(s) with correct word