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: Eric is looking at the shortest electromagnetic wave he has seen today. This wave has the _____ frequency of the day. 
 Answer: highest
Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.

Question: A small container that has 100 hydrogen ions is sitting near a larger container that has 2 hydrogen ions. The solution in the larger container is 
 Answer: less acidic.
With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.

Question: Bob is testing samples of ocean water from different places. The sample of water from off India's coast has less dissolved carbon dioxide, than the sample of water from off the United States' coast. Therefore, the water from _____ coast is more acidic. 
 Answer: United States'

With higher levels of dissolved carbon dioxide in ocean water, the water becomes more acidic.