Finding nemo movie review pls​

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Are the layers of rock above and below the coal older or younger?

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.