The next phase in the life cycle of the Sun will be
a. the formation of a red giant.
b. a move to the main sequence.
c. collapse to a white dwarf.
d. a supernova explosion.
a
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There are _______ nanometers in one meter
a. 1 × 10^3 b. 1 × 10^?3 c. 1 × 10^9 d. 1 × 10^?9 e. 400
Process of Science: What evidence is there of a subsurface ocean on Europa? Do you find it compelling?
What will be an ideal response?
A nearsighted person cannot see objects clearly beyond 70 cm (the far point). If the patient has no astigmatism and contact lenses are prescribed, what is the power of the lens required to correct the patient's vision?
a. ?0.7 diopters b. ?1.4 diopters c. ?2.9 diopters d. ?7.0 diopters e. –700 diopters
Mount Saint Helens is the type of volcano known as a(n) ______________
Fill in the blank(s) with correct word