An older family member is looking to improve their fitness through sport and activity. Recommend an activity, explain to your family member why this is a good option for them (qualities that make it a good option ) , and give them two recommended pieces of advice for beginning.

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.