On Mars, gravity is one-third that on Earth. What would be the weight on Mars of a person who has a weight of 200 pounds (lb) on Earth?
A) 66.7 lb
B) 133 lb
C) 200 lb
D) 600 lb
Question 2
Magnesium reacts with oxygen to form
A) MgO.
B) Mg2O.
C) MgO2.
D) Mg3O2.