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: Louis notices that Neptune is farther from the sun than Mercury. Which planet will take longer to rotate around the sun? 
 Answer: Neptune
The planets further from the Sun will have bigger orbits, and therefore take longer to revolve around the Sun.

Question: If we find an electromagnetic wave with very short wavelengths, it will likely have _____ energy. 
 Answer: much
Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.

Question: If Jim adds hydrogen ions to his solution, what will happen to the level of acidity? 
 Answer: it will become more acidic

With a higher concentration of hydrogen ions, a solution is more acidic but has a lower pH.