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.

Q: Question: Jeff pilots his spaceship further away from the Sun. The ship experiences _____ gravitational force. 
 Answer: less

A: Even though the Sun is much larger than the Moon, the pull of the Suns gravity is much less because the Sun is much farther away.
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Q: Question: Compared to a ripple in a pond caused by a drop of rain, would a wave in the ocean have 
 Answer: more distantly spaced particles in its rarefactions

A: Places where particles of a medium crowd closer together are called compressions, and places where the particles spread farther apart are called rarefactions. The more energy the wave has, the closer together the particles are in compressions and the farther apart they are in rarefactions.
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Q: Question: Karen and Andie went to the beach together. Andie was trying to work on her tan so she used a sunscreen with a SPF 15, while Karen used a sunscreen with SPF 45, which Sunscreen protected the skin more? 
 Answer: Sunscreen SPF 45

A:
A sunscreen with a higher SPF protects the skin longer.
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