Which of the following stars is reddish in color?

A. F6
B. A0
C. K9
D. G5
E. B2


Answer: C

Physics & Space Science

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The suffix -ol in a compound's name signifies

a. an enzyme. b. an amide. c. an alcohol. d. a carbohydrate.

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Minerals are formed from the combination of different elements. The combination of different metallic elements produces

A) metallic minerals. B) metallic and nonmetallic minerals. C) nonmetallic minerals. D) polymorphs.

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By itself, ________ makes up 70% of the masses of all the planets combined

Fill in the blank(s) with correct word

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A neutron star detectable by its rapid rotation and strong magnetic field is a(n) ________

Fill in the blank(s) with correct word

Physics & Space Science