Which of the following is a metalloid?
a oxygen
b silicon
c chlorine
d a...
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What is the approximate vapor pressure when the gas condenses at 70 degrees celsius
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An unknown insoluble substance displaced the water shown. it's mass is indicated on the triple beam balance. mass = a. 694 b. 693.5 c. 693.0 d.693.8
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List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn
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The graph shows one consequence of urban sprawl. how did urban sprawl contribute to the change in biodiversity
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