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The outer surface of a beaker containing ice cubes becomes wet in short while - Give scientific reason.

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Question  The outer surface of a beaker containing ice cubes becomes wet in short while. Answer  When ice cubes are placed in a beaker, ice starts melting.  The heat required for melting is absorbed from the surrounding air and also from the beaker to some extent.  Hence, the temperature of the air and beaker falls.  The capacity of air to hold water vapour depends upon the temperature of the air, and this capacity decreases as the temperature decreases.  At a certain low temperature, the surrounding air becomes saturated with water vapour present in it.  As the temperature falls further, the air is unable to hold all the water vapour.  Hence, the extra water vapour starts condensing on the cold outer surface of the beaker in the form of minute drops.  Therefore, The outer surface of the beaker containing ice cubes becomes wet in a short while.
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How can biodiversity be conserved?

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 How can biodiversity be conserved?

Biodiversity be conserved by


1)Protecting The rare Species of organisms.

2)Establishing national parks and Sanctuary.

3)Declaring some regions as bioreserve.

4)Projects for conservation of special species.

5)Conserving all plants and animals.

6)Observing the rules.

7)Maintaining record of traditional knowledge.
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With a specific initial velocity, we can jump higher on the moon than on the earth, give scientific reason.

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