Question

What process is used to form sedimentary rocks?
⦁ Lava cools and hardens to form a rock.
⦁ Bits of sand and gravel form layers that turn into rock from pressure.
⦁ Extreme heat and pressure from inside the Earth turn rocks into new rocks.
⦁ Magma trapped under the Earth's surface cools and solidifies.

Answer 1

Answer:

Lava cools and hardens to form a rock