Name the metal that can be easily cut with a knife:
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In terms of size, Mars ranks no. ___ in our Solar System.
During the past century, the temperature of Earth has increased by ________.
Longest day in the Northern hemisphere is ________.
What is the accepted average Calorie requirement for rural area in India?
At which of the following place, weight of an object is maximum?
'Neo-Malthusian Theory' is associated with which of the following?
_________ is an example of intrusive igneous rock.