Achievement of unknown coefficient's by table of values. Pls explain​

Victoria enjoys laughing with her friends as they walk around the track after school which best describes her heart rate during this activity

Discuss how seniors can combat health problems they may face.

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.