The studnets in 7th grade study the development of soil by making their own layers of soil using food produces.
Here we have grass, worms and soil
being prepared by a student
Here we have grass, worms and soil
being prepared by a student
|
The studnets in 7th grade study the development of soil by making their own layers of soil using food produces.
Here we have grass, worms and soil being prepared by a student |