Which percentage of American adults do not exercise on a regular basis. A 2092
B. 5020
C. 550
D. 50
Please select the best answer from the choices provided
B
C

The future for teen moms can be compromised due to the demands of parenting.

Explain what is meant by the phrase “ethical behavior”.

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.