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multiple choice. choose the one alternative that best completes the statement or answers the question. 1) matter a) has mass. b) all of the choices are correct. c) occupies space. d) is what life is composed of. e) is composed of elements. 1) 2) a compound a) contains two or more elements in a fixed ratio. b) is exemplified by sodium. c) is a solution. d) is less common than a pure element. e) is a pure element. 2) 3) the four most common elements in living organisms are a) c, h, o, na. b) c, h, o, fe.

1 Answer

2 votes

Answer:

matter has mass

2.A

3.A

Step-by-step explanation:

matter has mass and occupies space

elements in fixed ratios form a compound

the most common elements in organisms are carbon, hydrogen, oxygen and sodium

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