Glass is made primarily of _____, or a kind of sand, plus other minerals that add color.

a. clay
b. silica
c. tumi
d. gold
e. none of these are correct


b. silica

a. Incorrect. Glass is not made primarily of clay.
b. Correct. Glass is primarily made of silica.
c. Incorrect. Tumi are ceremonial daggers from an ancient Peruvian society.
d. Incorrect. Glass is not made primarily of gold.
e. Incorrect. Glass is primarily made of silica. See THE CRAFT MEDIA

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What will be an ideal response?

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a. results from the accumulation of misdeeds. b. can be avoided through right living. c. is the nature of existence. d. came into the world due to human sinfulness.

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

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