When a suction cup sticks to a wall it is A) pulled to the ...

[PhilipSeeMore]

When a suction cup sticks to a wall it is
 
  A) pulled to the wall by the vacuum.
  B) pushed to the wall by the atmosphere.
  C) both of these
  D) neither of these

Question 2

A column that extends from sea level to the top of the atmosphere contains a certain mass of air. If the column instead contained the same mass of water, its height would be about
 
  A) 3/4 meter.
  B) 10.3 meters.
  C) 5.6 kilometers.
  D) none of the above

[macagn]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B