useless trivia: What Word Means: Ordinary Merchandise?

Questions

More people use ---------- toothbrushes than red ones.?

More than 10 percent of all the ---------- produced annually in the world is used to de-ice American roads. ?

More than ---------- of all the countries in the world are north of the equator. ?

More then ---------- of the world's forest are in Siberia.?

Mosquitoes are attracted to the color ---------- twice as much as to any other color. ?