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.

Example Input: Question: Karly is studying two rivers and how they are affecting the rock around them. If the 2nd river she looks at is twice as big as the first river she is studying, then Karly would expect to see _____ erosion caused by the 2nd river. 
 Answer: more
Example Output: The bigger the waves are and the more sediment they carry, the more erosion they cause.

Example Input: Question: Sarah is traveling, and notices that continents get larger when they are where in relation to the pole 
 Answer: closer
Example Output: In a Mercator projection, because Greenland is closer to the pole, the continents shape and size are greatly increased.

Example Input: Question: Angel traveled from New York to Des Moines, IA , and experienced _____ pollution. 
 Answer: less
Example Output:
For example, more people on the Earth means more people contributing to global warming and pollution.