The commonly used thermometric substance is _____.
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The salt concentration (measured as salinity in parts per thousand), is less than ______ % in inland waters.
The ozone layer protects us from harmful _______________ rays of the sun.
What is a Pepper plant ?
In bio fortification technique plant breeders use breeding to overcome
Which of the following planet is also known as 'Earth's twin'?
Panthera Tigris is the scientific name of
__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.