Which of the following is a fossil fuel?
A. oil
B. Copper
C. aluminum
D. Ca...
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The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
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Avariable that is not being directly tested during an experiment should be changed varied experimented controlled
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How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
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