listen to no auto durk that how i feel right now

Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides. b) replication of their genomes does not involve proofreading. c) rna viruses can incorporate a variety of nonstandard bases. d) rna viruses are more sensitive to mutagens.

What factors characterize a healthy relationship that contributes to positive social well-being?

In a paragraph describe the function the stomach serves in the digestive system