Which of the following is NOT a metamorphic rock?
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Which of the following is man-made fibre?
The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is called?
Why does ice covered in sawdust not melt quickly?
A deep crack in a glacier is called
Which planet is considered as the Dwarf planet?
What is the sound made by seal called?
In 2015, underground glaciers of frozen water were discovered on