Why would your force of gravity increase if you went to a larger planet?

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

In the practice of science, this type of reasoning is used to develop explanations.

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.