Chemistry
What word is used to describe crops and foodstuffs grown without chemicals?
More Questions from Chemistry
What is thermal energy that moves from warmer objects to cooler ones called?
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What is a compound or mixture of chemical compounds that is used to maintain a steady pH?
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The temperature at which gas becomes liquid is considered what?
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What is a vital constituent of plant and animal life, and is the key component of hemoglobin?
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What major chemical other than chlorine is used to purify water of microorganisms?
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High levels of what chemical may be in trailers provided for people displaced by Hurricane Katrina?
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