Dr. stott is a developmental psychologist who studies how environmental influences impact gene expression without changing dna. what does she research? chromosomes heredity genome epigenetics

cancer   is   essentially   uncontrolled   mitosis   of specialized cells

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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