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: John was looking at sunscreen at the retail store. He noticed that sunscreens that had higher SPF would offer protection that is 
 Answer: Longer
[EX A]: A sunscreen with a higher SPF protects the skin longer.

[EX Q]: Question: When Sarah wants to lower the amount of electrons that are there, she will use energy at amounts that are 
 Answer: lesser
[EX A]: Less energy is also needed to remove electrons from larger atoms in the same group of the periodic table.

[EX Q]: Question: Will removes salt from the pot of water. The water's volume is now 
 Answer: less dense
[EX A]:
If salt is added to a volume of water, there are more molecules in the same volume, so the water is denser.