Which type of bacteria live in the roots of legumes?
nitrogen-fixing bacteria
pathogenic bacteria
aerobic bacteria
rickettsia

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

What is responsible for the uneven heating between the poles and the equator on any given day