In most soils, mineralization of soil organic matter is an important source of plant available ________

A) potassium B) phosphorus C) both A and B D) none of the above


B

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This warning label means that the contents can cause ________.



A) Liquification
B) A fire
C) Excessive noise
D) Burns

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Our water supply is ____

A) nonexhaustible B) exhaustible C) ?nonrenewable D) unsustainable

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Which structure is formed when cells multiply and divide to form a spherical mass?

A. Cleavage B. Embryo C. Ovum D. Morula

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When calculating the total resistance of a parallel circuit, the result will always be lower than the lowest resistance.

Answer the following statement true (T) or false (F)

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