____________________ rock is the basic material of the Earth’s crust
Fill in the blank(s) with the appropriate word(s).
ANS: Igneous
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A normal male will have a pair of X chromosomes, and a female will have an X and Y pair.
Answer the following statement true (T) or false (F)
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Rigid polymeric foam insulation materials are typically _____.
a. lightweight b. heavy c. dense d. fragile
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Three major mother breeds of swine are the Chester White, Landrace, and:
a. Duroc c. Hampshire b. Berkshire d. Yorkshire
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Lamp ________is a ratio of the number of lumens a lamp produces to each watt of power it uses.
a. efficacy b. size c. color d. heat
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