Dr. Naman’s class is doing an experiment to see how worms affect the layers of the soil.
There are not any worms in the container on the left. There are eight worms in the container on the left. Can you tell how worms affect the layers of the soil?
Dr. Naman’s class is doing an experiment to see how worms affect the layers of the soil.
There are not any worms in the container on the left. There are eight worms in the container on the left. Can you tell how worms affect the layers of the soil?