Consider the planet Mars: Earth mass = 6.0 1024 kg = 9.3 Mars ...

[armygirl]

Consider the planet Mars: Earth mass = 6.0  1024 kg = 9.3  Mars mass; Earth radius = 6380.km = 1.89  Mars radius What is the acceleration of gravity on Mars?
 
  What will be an ideal response?

Question 2

What is a possible reason why Venus does not have plate tectonics?
 
  A) it is too small
  B) its crust is too dry and stiff to break into plates
  C) it has no partially molten iron core
  D) Both A and B

[Missbam101]

Answer to Question 1

3.8 m/s2

Answer to Question 2

D

[armygirl]

Thanks for the timely response, appreciate it

[dawsa925]

Excellent