The only place outside of Earth for which there is irrefutable evidence for ancient, microbial life is
A) Europa.
B) the Moon.
C) Mars.
D) Titan.
E) None of the above—there is no irrefutable evidence for life beyond Earth.
E
Physics & Space Science
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A 1-centimeter cubed sugar cube scaled up by a factor of 10 has a total surface area of
A) 60 cm2. B) 600 cm2. C) 6000 cm2. D) none of the above
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What methodology do astronomers use to map the inside of the Sun?
a. coronagraphy b. magnetic field mapping c. helioseismology d. chromography e. heliogeology
Physics & Space Science
One result of bombardment of the Moon's surface is a layer of broken, pulverized, and powdered rock called
A. regolith. B. maria. C. lunar rays. D. basalt.
Physics & Space Science
Elements that are in the same ________ have a tendency to have very similar chemical properties due to periodic trends
A) group B) period C) textbook D) compound E) row
Physics & Space Science