Question

Which correctly lists the three agents that must be present for cementation to occur?

a) minerals, heat, sediment
b) water, minerals, sediment
c) heat, animals, plants
d) sediment, heat, animals

Answer 1

Answer:

Sedimentary Rocks

Sedimentary rocks are one of three main types of rocks, along with igneous and metamorphic. They are formed on or near the Earth’s surface from the compression of ocean sediments or other processes.

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Answer 2

Answer:

b) The water, minerals, the sediment must be present for cementation to occur.

Explanation:

• The hardening of cement during the construction process is known as the cementation process. After adding water to a combination of cement, sand, and small stone fragments, the process begins. This results in the formation of a gel-like substance that thickens and hardens with time. Cementation is the process of forming a gel.
• Agents like minerals, water, and sediments are present for the sedimentation to occur.