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: Allen is riding his bike on a path. The course ends up 1000 feet lower above sea level compared to the beginning. At which point is the air resistance lower? 
 Answer: at the beginning

A: At higher elevations, there is less air to press on a given area.
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Q: Question: Dan needs to stay warm in the woods, and can bring one animal for body heat to sleep next to him. Given the choice between a horse and cat, Dan will choose the 
 Answer: horse

A: Therefore, an object with more mass has greater thermal energy than an object with less mass, even if their individual atoms are moving at the same speed.
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Q: Question: If China decides to build fewer factories to produce goods, what will happen to their demand for natural resources? 
 Answer: decrease

A:
Developing nations will also increase demands on natural resources as they build more factories.
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