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: Noah compares the density of the water in a pond during a hot July day and a cold winter morning. The water on the July day is
Answer: less dense.

A: Lower temperature and higher salinity yield the densest water.
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Q: Question: If Mona owns a car and she decides to switch to a cleaner burning fuel, will she create more or less pollution?
Answer: less pollution

A: 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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Q: Question: It is likely that China produces less hazardous waste than Canada because it has
Answer: less industries.

A:
Countries with more industry produce more hazardous wastes than those with little industry.
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