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Earth 1
Question | Answer |
---|---|
earth is made of? | weathered rocks, organic matter, water, air, decayed matter |
tropical climates | thin and low on minerals |
horizon a | upper layer of soil, mostly organic matter and rock particles |
horizon b | mostly made of clay, sub soil |
horizon c | mostly made of rocks |
plants | plants provide organic matter |
animals | loosen and mix soil |
sedimentary rocks | mixed with other materials and are in layers |
igneous rocks | forms when molten rocks cool |
metamorphic rocks | forms when heat an pressure causes old rocks to turn into new rocks |
microorganism | decompose dead plants and animals, provide nutrients |