which material is a part of bedrock?\no silt\no plants\no wood\no water

Brief Explanations:

Bedrock is solid rock that underlies soil and other loose - surface material. Silt can be part of the overlying material but is not bedrock. Plants, wood, and water are not components of bedrock. Bedrock is typically composed of rocks like granite, limestone etc.

Answer:

None of the above options are correct as they do not represent materials that are part of bedrock.