Characteristics used to classify stars include color, temperature, size, composition, and brightness. Stars vary in their chemical composition. Astronomers use spectrographs to determine the elements found in stars.
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Different butterfly species occupy slightly different niches, but most are forest- or field-dwelling, flying, nectar-feeding insects. ... During feeding, butterflies are often covered in pollen, making them effective agents of pollination for plants.
it is water because it is dissolving the sodium chloride