निम्नलिखित में से कौन सा परिदृश्य बलकृत संवहन (forced convection) के एक उदाहरण को सबसे अच्छी तरह दर्शाता है?

During the night, the wind blowing from the land towards the sea is called:

Which of the following materials is a thermal insulator?

The process of sea breeze during the day is primarily an example of: