What 2 continents have the most obvious fit of the coastlines?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

The body of water found at number 4 on the map above is the

Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.