Apencil falls off a desk what moves the pencil toward the floor .

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 happened in the 2000 election of al gore vs bush

How do most people in israel and its neighbors differ from political extremists such as terrorists