Soil components

Soil is a thin non compacted layer covers the earth's crust

• true

• false

The main components of soil are sand and clay only

• true

• false

When ants and spiders die , humus is formed

• true

• false

The roots of plants help the soil to be cohesive

• true

• false

Lower soil layers contain much humus

• true

• false

Soil is very important in our life

• true

• false