___________ is obtained by evaporation of sea.
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The salt concentration (measured as salinity in parts per thousand), is _______ % in sea.
__________________ is a leaf where the leaflets are arranged along the middle vein.
___________ is the second largest animal phylum.
In April 2017, Emma Morano, the world’s oldest woman has passed away at the age of 117. Which country was she from?
_________ software are freely available and can be edited and customized by anyone.
Which of the following causes rainfall during winters in the north-western part of India?
Which of the following was India's first interplanetary mission?