Animals that mimic poisonous or dangerous animals use a defense called - - mimicry. batesian mullerian

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.

Why do governments supply public goods and services instead of selling them to those people who use them

Who was thomas jefferson and what was his constitution toward the development of the us government