mariokart7's+book+review

Jon Fitzgerald 2/7/12

Mrs. Ferhani

“Dirt” By Steve “the dirtmeister” Tomecek

These are some facts about dirt that we encountered. Dirt can come in 4 different types. Humus, topsoil, subsoil, and parental material. Sediments are another part of dirt. Without them, trees would fall over and buildings would sink into the earth! Soil is made up of many biotic things, like twigs and dead leafs. These are some important facts that we encountered!