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: Lana is noting that the wind lately has been very weak. Lana can now tell that the air pressures over the Earth's surface have had differences that are
Answer: lesser

A: Differences in air pressure over the surface of the Earth result in wind. The greater the differences in air pressures, the stronger the wind.
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Q: Question: If Mona's country normally emits not a lot of greenhouse gas, but one day decides to raise the amount they emit, what will happen to the global temperature?
Answer: increase

A: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
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Q: Question: Eric has dark skin and Rita has light skin. Who produces less melanin?
Answer: Rita

A:
However, the melanocytes of people with darker skin produce more melanin.
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