What are bacteria using for nutrients in nutrient agar?

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion