The smallest functional unit of a living thing is a
O molecule
O ecosystem
Otissue
O cell

What are some characteristics of a free enterprise economy?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land