What is a sentence for core sample?

Answer 1

A core sample is a tubelike sample of a substance for scientific study. Core samples can be of rock, earth, plants, or even ice. Here are some sentences.

• The core sample showed what the earth was like millions of years ago.
• The scientist collected a core sample from the giant redwood tree.
• A core sample from the glacier might contain trapped pollen or microbes.

Answer 2

The scientists are drilling to collect a core sample.

I think I have lost the ancient core sample.