In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

[EX Q]: Question: Mike is trying to make two different things slide across the ground. One is block, the other is a chair. The thing that will be hardest to push has 
 Answer: more mass
[EX A]: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.

[EX Q]: Question: Jeff heated the pot of boiling water. What happens to the dissolved oxygen contained within the water? 
 Answer: it decreases
[EX A]: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.

[EX Q]: Question: Jim is moving continents around on a map using the Mercator projection. What will happen to the size of a continent if he moves it closer to the North Pole? 
 Answer: it will become larger
[EX A]:
In a Mercator projection, because Greenland is closer to the pole, the continents shape and size are greatly increased.