At midnight, you're sitting on the beach. you can feel air coming from the warmer, ocean cooler, ocean warmer, land cooler, land

Cooler air coming from the ocean

This is like that because at night it’s usually cooler from the winds of the ocean

Hope this helps and have a blessed day

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme