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Q: Which of the following is a substance formed by the chemical joining of two or more elements in definite amounts? A. compound B. isotope C. nucleus D. enzyme
A: COMPOUND is a substance formed by the chemical joining of two or more elements in definite amounts, letter A.
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User: Which of the following is a substance formed by the chemical joining of two or more elements in definite amounts? A. compound B. isotope C. nucleus D. enzyme

Weegy: COMPOUND is a substance formed by the chemical joining of two or more elements in definite amounts, letter A.
samn|Points 4057|

User: A solution is a A. combination of isotopes. B. chemical reaction. C. mixture in which the substances are evenly spread out. D. mixture in which undissolved substances do not settle out.

Weegy: C. mixture in which the substances are evenly spread out.
jd123|Points 90|

User: Biologists who work in the fields of genomics and molecular biology study A. the biosphere B. diseases C. DNA D. trees

Weegy: Biologists who work in the fields of genomics and molecular biology study: DNA.
emdjay23|Points 2280|

User: A substance that speeds up the rate of a chemical reaction is called A. a catalyst. B. a lipid. C. a molecule. D. an element.

Weegy: A substance that speeds up the rate of a chemical reaction is called a catalyst.
debnjerry|Points 50297|

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Asked 9/6/2013 1:44:31 AM
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