While on vacation at the beach, Sarah noticed that during the day the sand was really hot, the ocean cool, and a breeze flowed constantly from the ocean towards her hotel. She also noticed that during the night, the ocean felt warmer than the sand and the breeze was reversed, blowing out to sea. Explain the following to Sarah:

1. Why was the sand so much warmer during the day and cooler in the evening

2. Why did the breeze blow towards the hotel during the day

3. Why did the breeze blow out to sea at night