Focus On Life Science: California Grade 7

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1.			What percent of the total minerals produced in 2001 is masonry cement? Need a Hint?
			A)	2.10%
			B)	21%
			C)	0.21%
			D)	0.02%
2.			What percent of the total minerals produced in 2000 is Portland cement? Need a Hint?
			A)	4.83%
			B)	0.48%
			C)	48.30%
			D)	0.05%
3.			What percent of the total minerals produced in 2000 is Bentonite clay? Need a Hint?
			A)	0.01%
			B)	1%
			C)	0.10%
			D)	10%
4.			What percent of the total minerals produced in 2001 is Bentonite clay? Need a Hint?
			A)	0.01%
			B)	1%
			C)	0.10%
			D)	10%
5.			What percent of the total minerals produced in 1999 is common clay? Need a Hint?
			A)	0.04%
			B)	4.20%
			C)	42%
			D)	0.42%
6.			What percent of the total minerals produced in 2001 is gypsum? Need a Hint?
			A)	1.29%
			B)	0.13%
			C)	12.90%
			D)	0.01%
7.			" What percent of the total minerals produced in 1999 is construction sand and gravel? " Need a Hint?
			A)	0.65%
			B)	65.07%
			C)	6.51%
			D)	650.70%
8.			What percent of the total minerals produced in 2000 is industrial sand and gravel? Need a Hint?
			A)	0.80%
			B)	8.00%
			C)	80%
			D)	0.08%
9.			What percent of the total minerals produced in 1999 is crushed stone? Need a Hint?
			A)	271.10%
			B)	2.70%
			C)	0.27%
			D)	27.11%
10.			What percent of the total minerals produced in 2000 is dimension stone? Need a Hint?
			A)	15%
			B)	1.50%
			C)	0.15%
			D)	0.02%