Biology, 29.11.2021 19:50, kathleendthomas

Look at these rock layers. Which of the following must be correct? This is an igneous rock. It formed from minerals

This is a metamorphic rock, it formed when molten rock cooled.

This is a sedimentary rock, the oldest rock layer is at the top, the youngest rock layer is at the bottom

This is a sedimentary rock, the youngest rock layer is at the top, the oldest rock layer is at the bottom.

Answers: 3

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Look at these rock layers. Which of the following must be correct? This is an igneous rock. It for...