If scales are used for protection by fish, then what are used for protection by fish? Answer choices: - scales - fins - streams. - coral - gills - Collagen - mussels - whiskers
scales
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If trains are used for moving people, then what are used for moving people? Answer choices: - Limbs - trains - bicycle - dogs - cats - bike - robots - engines
trains
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If the side of the earth receiving less energy from the sun is experiencing winter, then what do you experience when your side of the earth is away from the sun? Answer choices: - haze - Summer - Heat - cold - Winter - climate - sweating - Rain
Winter
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If treating water is used to remove chlorine, pesticides, and heavy metals before drinking, then what does treating water remove before drinking it? Answer choices: - direct damage to the lungs - h2o - an area swollen with pus - chlorine, pesticides, heavy metals - molecules - vapor - Mutagenic chemicals - nonliving organic matter
chlorine, pesticides, heavy metals
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