____ with about fifteen times its weight in air does gasoline allow the carburetor to run smoothly.

The Colorado River reaches^(A) their^(B) maximum height^(C) during^(D) April and May.

Plant proteins^(A) tend^(B) to have few^(C) amino acids than proteins from animal sources^(D).

The^(A) Viking spacecraft has^(B) landed on^(C) Mars in^(D) July of 1976.

Admiral Byrd commanded^(A) airplane expeditions^(B) over^(C) both the Arctic or^(D) the Antarctic.

The advertising^(A) campaign will be^(B) based on the recent^(C) completed^(D) study.

Coronary occlusion results from^(A) a disease in which^(B) fatty substances with a large amount^(C) of cholesterol is^(D) deposited in the arteries.

Her money gave back^(A) as soon as^(B) she threatened^(C) to take^(D) the matter to court.

Other sites^(A) of fossil discoveries throughout Wyoming, ranging^(B) from the fiery Tyrannosaurus rex to the milder^(C) Triceratops, have proven equally excite^(D)