If psychopathic killers are created due to a combination of genetics and being witness to violence, is there any way to prevent this? Evaluate possible prevention methods.​

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.