The Central Uplift in a Complex Crater Is Formed

question 32

Multiple Choice

The central uplift in a complex crater is formed:

• A) when fractured walls fall into the centre,creating a hill in the middle of the crater.
• B) after impact when the melted material and uplifted debris settle down into the middle of the crater.
• C) when the rock beneath the crater rebounds,causing the centre of the floor to rise.
• D) when an impact causes such a high temperature only at the periphery of the crater,so the centre of the crater stays stable while the material beside the walls is liquefied and vaporized.
• E) when earth material washed from the steep crater walls is deposited at the central area of the crater.

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