When Waves Crash Against a Sea Cliff,what Is the Main

question 19

Multiple Choice

When waves crash against a sea cliff,what is the main process that erodes the cliff?

• A)abrasion by rocks flung against the cliff by the waves
• B)water flowing upward against the cliff,washing the cliff face of loose debris
• C)hydraulic pressure driven by the waves forcing water,air,or both into cracks,dislodging rocks from the cliff
• D)impact of the wave causing vibrations that trigger landslides

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