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
What is a badge or mark of office or Honor known as?...
Geography, 29.09.2019 00:10
Geography, 29.09.2019 00:10