Author Question: The first rover to explore Mars in 1997 was called A) Opportunity B) Spirit C) Sojourner D) ... (Read 55 times)

Redwolflake15

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The first rover to explore Mars in 1997 was called
 
  A) Opportunity
  B) Spirit
  C) Sojourner
  D) Curiosity

Question 2

The primary difference between the special theory of relativity and the general theory of relativity is that the general theory also describes
 
  A) length contraction.
  B) the nature of gravity.
  C) time dilation.
  D) the constancy of the speed of light.



Anna

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Answer to Question 1

C

Answer to Question 2

B



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