_____________ is the number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration.
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_________________ is a measure of the moisture in air.
A spoon which looks bent is an example of which of the following?
If 4x2 - 12x + k is a perfect square, then the value of k is
In which field did Amartya Sen win the Nobel Prize ?
Big landlords or warrior chiefs in the seventh century were acknowledged as _________ by the existing kings?
Mir Hassan Dehlavi was in the court of which of the following?
World famous Kaieteur Falls is situated on which river?