Provided that in each case heat input is the same, boiling takes ...

[danielfitts88]

Provided that in each case heat input is the same, boiling takes place more quickly
 
  1) at sea level.
  2) in a valley.
  3) in the mountains.
 
  This is because
  4) increased pressure on the surface of a liquid lowers its boiling point.
  5) decreased pressure on the surface of a liquid lowers its boiling point.
  6) water always boils quickest at sea level.

Question 2

Evaporation of water from a tea kettle takes place
 
  1) at the surface of the water,
  2) at the bottom of the water,
  3) throughout the water,
 
  whereas boiling takes place
  4) at the surface of the water.
  5) at the bottom of the water.
  6) throughout the water.

[fwbard]

Answer to Question 1

Answer: 3, 5

Answer to Question 2

Answer: 1, 6