Which of the following measurable characteristics determine a material’s state of matter?
a amount of time it takes to change state
b its temperature
c its mass
d amount of volume

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.

Which action allowed farming to be expand into west texas? a inventing a new plow b developing dry farming c increasing demand for cotton worldwide d declining of the cattle ranching industry

Emma lives on a tight budget. she saves money and also makes intelligent choices when spending it. which statements describe emma's financial skills? select three options. emma is more prepared to meet her basic needs. emma is better prepared to avoid financial setbacks. emma is better able to avoid accumulating assets. emma is more prepared to face emergencies. emma is better able to avoid financial decision-making.