On what basis do you choose your food and personal hygiene products? Think about your last trip to the supermarket and write down your reasons for choosing some of the things you bought. i need help

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.