Almost percent of all family households are now headed by one parent, compared with 13 percent in 1970.
a. 20
b. 35
c. 40
d. 25

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 consequences could gen galvez have faced for his major act of bravery?

Surfaces of paintings—such as paper, canvas, and pottery—are referred to technically as