Salt is manufactured in quantities that exceed those of most, _____ other commercial chemicals.

• of all not

• not if all are

• are not all

• if not all

The United States consists of fifty states, _____ has its own government.

• each of which

• each they

• they each

• each of

Though smaller than our solar system, a quasar, which looks like a ordinary star, emits more light, _____ galaxy.

• than an entire

• entirely as

• that the entire

• entirely than

People usually wear clothing why two basic purposes --- warmth and decoration.

• usually wear

• why

• basic

• decoration

In 1890 Kate Hurd-Mead became medical director of the Bryn Mawr school for girls, one of a first schools in the United States to initiate a preventive health program.

• became

• of the

• a

• to initiate

Superior to all other woods for shipbuilding, teak is also used for furniture, flooring, and general construction.

• other

• for

• also

• furniture

Weather is the transitory expression of climate that can change great from day to day or season to season.

• climate

• can

• great

• or

Archaeological investigation indicate that control of fire is an extremely old technical attainment, though the time, place, and mode for his origi may never be learned.

• investigation

• extremely

• the time

• his

Paul Revere designing the metal plates on which the first paper money in the United States was printed.

• designing

• which

• first

• in

It was after shortly microscopes were introduced at the beginning of the seventeenth century that microoganism were actually sighted.

• after shortly

• were introduced

• the beginning

• actually