Which of the following is a full body exercise?
a.) burpees
b.) crunches
c.) lunges
d.) presses

Is a short-term risk associated with tobacco use. a. lung cancer b. heart disease c. stroke d. coughing

Foods that are made fro meat , poultry, fish, or dry beans and peas ,nuts ,seeds , and eggs are considered part of which food group

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.