Choose the best sentence that can be made from the words given.
Arabia's rainfall / average only 2-5 inches a year / two- year droughts / not uncommon.
Arabia's rainfall averages only 2-5 inches a year, and two-year droughts are not uncommon. As Arabia's rainfall averages only 2-5 inches a year, and two year droughts are not uncommon. Arabia's rainfall averages only 2-5 inches a year, which makes two year droughts are not uncommon. Arabia's rainfall averages only 2-5 inches a year, and however two year droughts are not uncommon.