Marble comes under which category of rocks?
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If a healthy freshwater fish is placed in salt water, what will be the expected consequence ?
Science dealing with study of soil is called
Which of the following is not a commercial source of energy?
Equus Caballus is the scientific name of _________.
Which layer of the earth's atmosphere contains the ozone layer?
A volcano that is not expected to erupt again is called
Rayon is obtained from which among thefollowing?