Together the esophagus, stomach, and intestines are a part of?

Which of the following statements is true caffeine speed up the time it takes to the liver to break down and call taking a shower speed the time it takes to live in a bag and i’ll call

Which term defines male reproductive cellar

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.