Besides Earth, which of the terrestrial planets and/or their satellites show(s) evidence for the possible existence of liquid water flowing on its surface in the past?
What will be an ideal response?
Mars
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Boltzmann's constant, kB, may be derived as a function of R, the universal gas constant, and NA, Avogadro's number. Which expresses the value of kB?
a. NAR2 c. R/NA b. NAR d. NA/R
The geological history of Mars is divided into different
A) eons B) eras C) periods D) epochs
Which of these hypothetical observations (none of them are real) would force us to reconsider our modern, Sun-centered view of the solar system?
a. We discover a small planet beyond Saturn that rises in the west and sets in the east each day. b. We find that we are unable to measure any parallax for a distant galaxy. c. We discover an Earth-sized planet orbiting the Sun beyond the orbit of Pluto. d. We discover that the universe is actually contracting, not expanding.
Of all the useful alkanes, which petroleum-based
product has molecules that show the largest continuous-chain structure? a) gasoline b) asphalt c) paraffin wax d) kerosene