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Author Question: Why is Mars so much colder than the Earth? A) because the albedo of Mars is higher than the Earth ... (Read 76 times)

809779

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on: Jul 27, 2018
Why is Mars so much colder than the Earth?
 
  A) because the albedo of Mars is higher than the Earth
  B) because Mars has a much thinner, more diffuse atmosphere
  C) because Mars has a little less gravity than the Earth
  D) because Mars is farther from the Sun

Question 2

An atom of the element iron has an atomic number of 26 and an atomic mass number of 56. If it is neutral, how many protons, neutrons, and electrons does it have?
 
  A) 26 protons, 30 neutrons, 26 electrons
  B) 26 protons, 30 neutrons, 30 electrons
  C) 13 protons, 56 neutrons, 13 electrons
  D) 13 protons, 43 neutrons, 13 electrons
  E) 26 protons, 56 neutrons, 26 electrons


brittiany.barnes

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


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