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Shobha Gurmukhdas Methwani
Posted 2 hr ago Shobha Gurmukhdas Methwani

The eighth planet from the sun, is Neptune. It  is about the size of Uranus and is known for supersonic strong winds.
The farthest planet, Neptune  lies at around 4.5 billion km / 2.8 billion mi or 30.07 AU away from the Sun.
Like U...

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MEENAKSHI HOODA
Posted 24 hr ago MEENAKSHI HOODA

Cross pollination is the process by which pollen grains from anther of one flower transferred to stigma of another flower.It occur with the help of wind,water,insects and human beings.

Shubhangi jain
Posted 2 day ago Shubhangi jain Teacher

In the late 16th century several Dutch lens makers designed devices that magnified objects, but in 1609 Galileo Galilei perfected the first device known as a microscope. Dutch spectacle makers Zaccharias Janssen and Hans Lipperhey are...

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Savita Gopal Mali
Posted 3 day ago Savita Gopal Mali

1685 में Johann Zahn ने सबसे पहले कैमरे का डिजाईन तयार किया लेकिन  1814 me Nicéphore Niépce ने  सबसे पहला फोटो खिंचा

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