Does marijuana contain tobacco?

When practicing refusal skills, it is beneficial to participate in a potentially stressful or threatening situation. select the best answer from the choices provided. t f

Minor illnesses: a.) decrease the risk of sids b.) increase the risk of sids c.) increase the risk of hospitalization d.) decrease the risk of allergies e.) increase the risk of allergies

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.