2014 Birdsall-Dreiss Lecture: Critical Zone Processes at the Watershed Scale: Hydroclimate and Groundwater Flowpath Mediated Evolution of Forest Canopy Patterns
Answer:
ITS A
Mountains everywhere are the same age
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Regularly spaced joints in an outcrop may indicate that an area is under intense shear stress. Hence, Option C is correct.
<h3>
What is Shear Stress?</h3>
A kind of stress that arises from a component. The components of force and material cross section are in parallel directions. A stress that changes a member's shape. This stress is great when it is parallel to neutral axis. Shear stress is denoted by τ. In Greek it is pronounced as "tau".
An image is attached for better understanding.
Therefore, Option C: under intense shear stress is correct.
Learn more about shear stress from here:
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