1) Which soil is best for gardening? a) desert soil b) sandy soil c) farm soil 2) Which soil doesn't hold water, but allows it to pass through? a) sand b) clay c) air 3) Are there minerals in soil? a) yes b) no 4) Which layer is the bottom of the soil profile? a) Topsoil b) subsoil c) Bedrock

Soil General Knowledge

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