Longest day in the Northern hemisphere is ________.
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___________ is the wearing away of the landscape by different agents like water, wind and ice.
The least preferred technique in the disposal of Municipal Solid Waste is
If water smells bad, then that odour can be removed by adding
Milbecycin is used in the eradication of _____.
_________ influences the rate of weathering and humus in soil formation.
Who coined the term "Ecology"?
Which disease is caused by Nickel?