You didn't give us any options but maybe it's <span>Messenger </span><span>RNA? </span>
In the absence of other information, all soil in an excavation should be treated as if it is Type C.
What is soil excavation?
Making a cut or cavity in the Earth's surface by hand is known as excavating. For construction operations such as water and sewer pipelines, power line construction, foundation maintenance, and other structural work, soil excavation is required.
Exploration, environmental restoration, mining, and construction are just a few of the vital reasons why excavation is necessary. Excavation is frequently used in the construction industry.
Excavation is the act or process of digging, particularly when a specified object is being taken out of the ground. To find artifacts and fossils, archaeologists conduct excavations. There are many different kinds of excavation, but they all include making earthen mounds.
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B would be the correct answer