Q: When water goes above and below its freezing point, what rock-breaking phenomenon is common?


Read this paragraph and choose the correct option from the provided answers:

Rocks can break apart into smaller pieces in many ways. Ice wedging is common where water goes above and below its freezing point ( Figure below ). This can happen in winter in the mid-latitudes or in colder climates in summer. Ice wedging is common in mountainous regions like the Sierra Nevada pictured above.

 Choices:

- ice locking

- ice inverting

- ice crushing

- ice wedging


A:
ice wedging