I need help with these last three questions on the assignment. if you help and the answer is right then I will give u brainiest.

Which type of market produces the highest level of output at the lowest price to consumers?

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.

Que actos del pueblo simbolizaron el inicio de la revolucion y la caida de la monarquia?