Answer:
The term, "variegated" is applied to a flower or, more often, a leaf that has more than one color. Most often, it will be two-toned (that is, bi-colored). Often this will mean the foliage is blotched, striped, or bordered with a lighter color than that on the rest of it (or vice versa). The term is also applied more broadly to a whole plant that bears such leaves or blossoms. The corresponding noun for this definition is "variegation."
The bullt casing became each gun affects a bullt in a different way
The answer would be D. hormones, because that is the only thing not studied during cognitive psychology, which is the study of your brain and how it perceives things, how good your memory is, and how your language is
