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


question:
Question: Don sees wavelengths using a spectrometer. A wavelength that is very short likely has a _____ frequency compared to a longer one. 
 Answer: higher
answer:
Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa.


question:
Question: Marcus is climbing a mountain, and notices that it is more difficult to breathe than it was before. This is likely because Marcus is at a 
 Answer: higher elevation
answer:

Air pressure is less at higher elevations.