100 point s the approximate composition of the atmosphere is shown in the pie-chart. which statement best describes the chart? a) the chart shows the percentages of elements in a mixture. b) the chart shows the percentages of elements in a compound. c) the chart shows the percentages of pure substances in a mixture. d) the chart shows the percentages of compounds in a pure substance.
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100 point s the approximate composition of the atmosphere is shown in the pie-chart. which statement...
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