Which of the following would most severely affect a human population?

a high degree of genetic similarity among people
a high degree of illegal drug use among young adults
a high number of smokers in a community
a high rate of mental disorders

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Monitor and apply fix up stratorgies

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.