The IF function is one of the most popular and useful functions in Excel. You use the IF function to ask Excel to test a condition and to return one value if the condition is met, and another value if the condition is not met.
1. 'sink'. If something sinks, it moves slowly downwards. Sink is especially used to say that something moves downwards below the surface of water. The boat was sinking. To sink a ship means to cause it to sink. The Confederates managed to sink one ship and damage another. 2. 'sank' and 'sunk'.
A sinkhole, also known as a cenote, sink, sink-hole, shakehole, swallet, swallow hole, or doline (the different terms for sinkholes are often used interchangeably), is a depression or hole in the ground caused by some form of collapse of the surface layer.inkholes may vary in size from 1 to 600 m (3.3 to 2,000 ft) both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may be formed gradually or suddenly, and are found worldwide.