Which statement is true about blood alcohol concentration?

Which of the following is not a part of the integumentary system

2paragraphs choose one team sport and one individual sport. what are the advantages and disadvantages of having to play each of these sports in gym class?

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.