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Home Q & A Board Science-Related Homework Help Physics Astronomy
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nmar nmar
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6 years ago
Which of the following supports the idea that the Martian crust is not divided into moving plates like those on Earth? I. the size of Olympus Mons II. the lack of folded mountain chains III. the lack of rift valleys outlining entire plates IV. the presence of dry river beds and sea floors
 
  a. I & II
  b. II & III
  c. II, III & IV
  d. I, II, & III
  e. I, II, III, & IV

Question 2

What type of bond is(are) individually weakest?
 
  a. hydrogen
  b. ionic
  c. covalent
  d. Hydrogen and covalent are equally weak.
  e. Ionic and covalent are both weaker than hydrogen.

Question 3

The flow patterns found on the surface of Mars and the number of craters on top of them suggest that
 
  a. Mars is today a liquid, water-rich world.
  b. the climate on Mars was different billions of years ago.
  c. volcanism is occurring on Mars.
  d. the polar caps are made of liquid water.
  e. All of the other choices are correct.
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chanceh91chanceh91
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6 years ago
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nmar Author
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#2
6 years ago
Thank you Slight Smile
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#3
6 years ago
Pleasure
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