Which of the following is not a secondary mineral?
A) gypsum B) hematite C) microcline D) calcite E) silicate clay
C
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Describe how weather can be controlled to increase our water supply
What will be an ideal response?
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Let 
be independent, each with unknown mean ยต and known variance 
= 1.
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Why is methyl bromide being phased out by our government?
What will be an ideal response?
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Above-floor tube and plate panels typically operate at what water temperature?
A. ?higher compared to slab systems B. ?lower compared to slab systems C. ?about the same as slab systems D. ?a wider range of water temperatures than slab systems
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