Which of the following is true of lakes? HE.6A.3 a. Most are located at low altitudes.
b. Most last a long time in geologic terms.
C. Most are short-lived in geologic terms.
d. Most are extremely old in geologic terms.
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In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.