Q Question 1 1 / 1 pts Rocks which are formed by magma (molten rock) are called: Question 2 1 / 1 pts Soils with equal mixes of clays, sands, silt and humus are called: Question 3 1 / 1 pts Which of the following is the outer most layer of the earth? Question 4 0 / 1 pts Large, round sized soil particles will lead to _________ water retention in the soil. Question 5 0 / 1 pts The primary source of weathering is:

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