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: If Milo is measuring the seafloor and he notices the level of spreading has increased, what will happen to the sea level? 
 Answer: it will rise
[EX A]: Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.

[EX Q]: Question: Don is looking at electromagnetic waves, and sees that the one's he observing have higher frequencies. Don is able to know then that the photons have energy that is 
 Answer: higher
[EX A]: In electromagnetic waves with higher frequencies, photons have more energy.

[EX Q]: Question: Will measures water at a pH of 7, while a bleach solution measures at 12. Which substance is more basic? 
 Answer: bleach
[EX A]:
Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.