One example is that when their food catches fire in a cooking pot or pan, it is advisable to smother the fire by covering the fire with a blanket rather than douse the fire with water. DOeing the later will only aggravate the fire. Knowledge of basic science dictates that oil and water are immiscible liquids the oil will continue to burn even as the water is poured into the oil. More so, as the water violently evaporates due to the heat, it spreads the burning oil and hence spreads the fire.
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Answer:
Speed of water in the 0.5cm diameter will be faster because it has a smaller area
Since area x radius ² so if radius is reduced by 0.5 speed is increased by 4times in the 0.5 diameter pipe
If a coastline has a very unusual shape it's normally caused by either a flood or dam.
hope this helps!
