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) What is HUMUS made from? a) The remains of decayed plants and animals b) Chick-Peas c) Cheese 4) Are there minerals in soil? a) yes b) no 5) Which layer is the bottom of the soil profile? a) Topsoil b) subsoil c) Bedrock

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