Evidence demonstrating that the crater in Arizona formed by meteorite impact includes all but which of the following?
A. Little hills of rock outside the crater rim are inverted piles of the rock sequence exposed in the crater walls.
B. The crater is steep-sided and closed.
C. Huge blocks of limestone are strewn around outside the crater.
D. The rim of surrounding rock was created by uplifting the horizontal sedimentary-rock layers of the region and tilting them away from the crater.
E. A 550-ton spherical piece of nickel-iron metallic meteorite was found below the crater.
Answer: E
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