Multiple choice

Which one of the following is an example of sedimentary rocks?

  1. Loess

  2. Basalt

  3. Granite

  4. Gabbro

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A Correct answer
Explanation

Loess is a clastic, wind-deposited sedimentary rock formed by the accumulation of wind-blown dust. Basalt, granite, and gabbro are all types of igneous rocks.