sweat – v. to produce a clear liquid from your skin when you are hot or nervous

odor – n. a bad smell

garment – n. a piece of clothing

underwear – n. clothing that is worn next to your skin and under other clothing

packing – v. when you take supplies in to camp in the wilderness

terrific – adj. extremely good

ion – n. an atom or group of atoms that has a positive or negative electric charge from losing or gaining one or more electrons

nanoparticle – n. a microscopic particle

regulate – v. to set or adjust the amount, degree, or rate of (something)

wool – n. the soft, thick hair of sheep and some other animals

repellent – n. a substance that is used to keep something out or away


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