1) Soil provides this important ingredient for plant growth
One answer only.

   a. support or nutrients

   b. clay

   c. topsoil

   d. humus

2) Very fine part of soil which feels like a powder when it is dry
One answer only.

   a. silt

   b. clay

   c. topsoil

   d. humus

3) Decayed twigs, leaves, or animals make up this component of soil
One answer only.

   a. silt

   b. clay

   c. topsoil

   d. humus

4) The top layer of soil
One answer only.

   a. silt

   b. clay

   c. topsoil

   d. humus

5) This portion of soil is sticky when it gets wet
One answer only.

   a. silt

   b. clay

   c. topsoil

   d. humus