Answers: 3
Social Studies, 21.06.2019 22:00, beccahaileyowzryu
24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.
Answers: 2
Social Studies, 22.06.2019 13:00, Weirddobby3964
Arecent poll of 500 residents in a large town found that only 36% were in favor of a proposed referendum to build a new high school. find the margin of error for this poll if we want 95% confidence in our estimate of the percentage of residents in favor of this proposed referendum.
Answers: 3
Social Studies, 22.06.2019 21:00, jacobp0712
Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.
Answers: 3
What other explorers contribute to WW expansion?...
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