The whales tail which is called fluke are used for swimming and also used when they stick their tail out of the water into the air, swing it around, and the slap it on the water's surface.
<span>A fast-flowing river of air that forms when two air masses of very different temperatures meet is called a jet stream :)</span>
A lipid that has 3 long chains of fatty acids covalently attached or bonded to the glycerol backbone would form a single triglyceride molecule.