instruction:
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:
Question: Carol is building a small rocket to test in her back yard and, after much consideration, decides to use a biofuel to power her rocket. She tells her friends it's because it will create _____ carbon dioxide than fossil fuels.
Answer: less
answer:
The advantage to biofuels is that they burn more cleanly than fossil fuels. As a result, they create less pollution and less carbon dioxide.

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Question: NASA has sent an unmanned probe to survey a distant solar system with four planets. Planet Zorb is farthest from the sun of this solar system, Planet Krakatoa is second farthest, Planet Beanbag is third, and Krypton is the closest. The probe visits the planets in order, first Zorb, then Krakatoa, then Beanbag and finally Krypton. Did the probe have to fly farther in its trip from
Answer: Zorb to Krakatoa or
answer:
In general, the farther away from the Sun, the greater the distance from one planets orbit to the next.

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Question: Sasha decreases the frequency of a wave. This wave now has _____ energy.
Answer: less
answer:
Higher-frequency waves have more energy.