If we want to investigate bacteria, we're going to have to figure out how to keep them alive. If
we were doing this experiment in class, how
would keep the bacteria we find alive when we
bring samples back to our classroom?

Number and variety of living organisms includes genetic, species, and ecological types

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

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased