What was the ratio of tall to short plants that helped prove Mendel’s idea that the blending model did not make sense?

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 event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

Decide which statement best reflects a proper attitude on the first day of work.