Sedimentary Rocks and Their Formation v.2

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What is sediment composed of?

• Molten lava and volcanic ash

• Small particles of sand, mud, and organic material

• Crystals formed from cooling magma

• Minerals that have undergone heat and pressure

How are sedimentary rocks primarily formed?

• By the rapid cooling of lava on the Earth's surface.

• Through the transformation of existing rocks by extreme heat and pressure.

• From the accumulation, compression, and cementation of sediment layers.

• By the crystallization of minerals from superheated water solutions.

In which type of rock are fossils most commonly found?

• Igneous rock

• Metamorphic rock

• Sedimentary rock

• Volcanic rock

Which of the following is an example of a sedimentary rock?

• Granite

• Shale

• Marble

• Basalt