Question

Which process forms sedimentary rock in the rock cycle after sediments accumulate and combine? ITS C
Sediments undergo heat and pressure.
Sedimentary rock weathers and erodes.
Sediments compact and cement together.
Sedimentary rock experiences cooling and melting.

Answer 1

Answer:

Sediments compact and cement together.

Explanation:

Generally, rocks are of three main types viz: Igneous, sedimentary and metarmophic rocks. Based on the question, the sedimentary rocks are that group of rocks formed by the coming together of sediments.

Sedimentary rocks can be formed in the following steps;

1. Rocks that have existed before undergoes weathering i.e. are broken down into smaller particles called sediments.

2. These sediments are then transported by currents e.g water

3. Deposited sediments accumulate and gathered round.

4. The accumulated sediments become compacted i.e. squashed and cemented i.e. stick together to form the sedimentary rock, in a process collectively lithification.

Hence, compaction and cementation (lithification) are the next steps in the process of sedimentary rocks formation after deposition.

Answer 2

The branch of science which deals with the location and the rocks is called geography.

The correct answer is C

The process of lying down sand particles in one place is called sedimentation.

There are three types of rocks

• Igneous
• Sedimentary
• Metarmophic

The Sedimentary rocks can be formed by the following steps:-

• Rocks that have existed before undergo weathering i.e. are broken down into smaller particles called sediments.
• These sediments are then transported by currents Ex water.
• Deposited sediments accumulate and gather round.
• The accumulated sediments become compacted i.e. squashed and cemented i.e. stick together to form the sedimentary rock, in a process collectively of lithification.

Hence, the correct answer is C that is Sediments compact and cement together.

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