Answer:
As aerodynamics improve, gas mileage improves--since an aerodynamic car encounters less wind resistance.
Explanation:
i took the test
The answer would most likely be (D) Primordial.
However, (C) Avant-garde, is completely legit too I suppose.
Personally I would choose (D) as my answer as it seems to make the most sense.
A) Add a comma after game
The first, second, and fourth ones are what I would chose. I wouldn't chose the others.
