In terms of size, Mars ranks no. ___ in our Solar System.
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Cannis Vulpes is the scientific name of
___________ is the process of restoring a forest that once existed but was removed at some point of time in the past.
The arrangement of leaves on an axis or stem is called
First man to go into space was
Why do the plant closes stomata when it does NOT need carbon dioxide for photosynthesis?
1 km/hr equals _____________ m/s
Name the metal that can be easily cut with a knife: