will some one invite me to a conversation for 40 points plz just answer ok plzzz im lonely i have no one to talk to at all bc i dont have a phone yet and im home alone with my wicked sister and she hates me so if i go out ther she will yell at me

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.