Psychology
how can play, excerise, or physical education enhance a child's self esteem? ?

The average adolescent should consume no more than of fat per day.

Which of the following identifies the main culprit for america’s increasing weight gain?

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.