1) how many horizons are there  a) 2 b) 4 c) 7 2) which one is the third horizons  a) bed rock b) parent rock c) sub soil 3) which horizon has the most nutrients a) top soil b) bed rock c) sub soil 4) how many steps in the soil formation a) 6 b) 4 c) 2 5) what is the first step in the soil formation a) large pieces are broken down b) animals move in with small plant c) weathering

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