List out the problems of cooperatives in nepal​

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.

The chart shows four articles read by the students in a science class

In which way did ancient rome influence and unify medieval europe? (1 point) medieval guilds were inspired by roman ones. latin endured as the language of everyday life. roman slavery was a model for feudalism. rome continued as the center of the church.