The chain of infection includes all of the following except what micrograms, stagnation resivior portal of entry?

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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.

Deciding how to get home is considered a routine decision