Flowing water carves through rock to form a canyon. Lava from an underwater volcano cools to form a mountain. Ashes rise from a volcanic eruption to block sunlight. Water vapor rises from the ocean to form clouds.
I gave my students this multiple choice question: Which statement describes an interaction between the hydrosphere and the atmosphere?

Only one answer is correct among these 4 choices:
- Flowing water carves through rock to form a canyon.
- Lava from an underwater volcano cools to form a mountain.
- Ashes rise from a volcanic eruption to block sunlight.
- Water vapor rises from the ocean to form clouds.

Could you tell me which one is correct?

Water vapor rises from the ocean to form clouds.