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how do silkworms produce silk

How Do Silkworms Produce Silk?

The silkworm is the larva or caterpillar of Bombyx mori, the domesticated silk-moth, mulberry silkworm. A moth in the family Bombycidae, it is very…

what is the depletion of ozone hole

What Is the Depletion of Ozone Hole?

In 1996 studies conducted by US National Aeronautics and Space Administration revealed a big hole greater than the total surface area of North America…

why do dead fish float upside down

Why Do Dead Fish Float Upside Down?

Dead fish float in water because decomposition fills the fish’s gut with buoyant gases. The reason fish typically go “belly up” is because the…