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Posted by on Jul 28, 2017 in TellMeWhy |

What Is a Detergent?

What Is a Detergent?

What Is a Detergent? A detergent is a substance which has a power to cleanse. This description applies to soap, as well as to shampoos and washing powders. A detergent...

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Posted by on Nov 23, 2015 in TellMeWhy |

What Is a Sponge?

What Is a Sponge?

A sponge is an extremely simple kind of water animal with a soft, elastic skeleton. It has no head, mouth, or brain. Sponges hatch from eggs. The baby sponge attaches...

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