Formation of Soil 12/4/15

0 5 kartičky morelandj

otázka		odpověď
a mixture of sand, silt, soil, clay, rock and humus (plant and animal remains) začněte se učit		soil
when forces on Earth breaks rocks apart or wear rock away začněte se učit		weathering
the uppermost 5 to 20 cm of soil with a high concentration of organic matter and microorganisms where almost all of the biological activity in soil takes place začněte se učit		topsoil
easily broken down by biological activity, especially bacteria in the soil začněte se učit		biodegradable
to break down into smaller, more basic parts začněte se učit		decompose

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