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At the Earth's surface, rocks usually break quite quickly, but deeper in the crust, where temperatures and pressures are higher, rocks are more likely to deform plastically. Sudden stress, such as a hit with a hammer, is more likely to make a rock break. Stress applied over time often leads to plastic deformation. Hope this helps. ヅ

Under stress conditions is a rock more likely to deform plastically than

to break.

What is stress?

Stress is defined as the force applied to an object. In geology, stress is the defined as force per unit area that is placed on a rock.

At the earth’s surface, rocks generally break quite spontaneously, but deeper in the crust, where pressures and temperatures are higher, rocks are more likely to deform plastically. Quick stress such as a hit with a hammer, is more likely to break rock. Stress applied over time usually give rise to plastic deformation.

For more information regarding stress, visit:

https://brainly.com/question/11819849

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