Please help Most ovens we use at home are powered by electricity or natural gas. These ovens use fossil fuels. Describe why the energy used by a solar oven is considered a clean source of energy.

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?