Significant Figures: What is 
expressed to the correct number of significant figures?
A. 0.91
B. 0.911
C. 0.9108
D. 0.9
Answer: A
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__________refer to bands in iron meteorite sections due to large metal crystals
A) Widmanstätten patterns B) Oort clouds C) Ice lines D) Condensation sequences
A common use of an image map is a clickable geographic map.
Answer the following statement true (T) or false (F)
Light takes approximately one second to travel from Earth to the Moon. This means that the Moon is approximately
A) 1 astronomical unit from Earth. B) 1 light-year from Earth. C) 3000 kilometers from Earth. D) 300,000 kilometers from Earth. E) near the top of Earth's atmosphere.
Almost every celestial object we see in the sky on a dark, clear night is within the Milky Way galaxy
a. True b. False Indicate whether the statement is true or false