I miss being in love but i always get hurt

Wich technque is not recommended for use as a supporting detail

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.

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.