What were the two most important words in Socrates's philosophy? Why might exploring them take a lifetime?

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.

What role did natural resources play in african politics?

Brainliest to who answers! what is the function of a purchasing cooperative, or co-op?