Being able to recite definitions of key words like 'element', and 'compound' does not necessarily ... and how they are the building blocks from which all other substances are made. ... Encourage them to explain their answers to the questions.. Heterogeneous mixtures consists of visibly different substances ... ANSWER: (b) Water, H2O, is a chemical compound made of the elements hydrogen and oxygen in a 2 to 1 ratio ... Press the >button on the data collector to stop collecting data. fe9c53e484
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