Which of the following is a risk associated with secondhand smoke exposure to infants and children? eczema respiratory infections strep throat pink eye

What do you generally see in a family when both parents are working?

The presence of aids in a community often increases its level of property what is one of the main reasons for this

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.