1 km/hr equals _____________ m/s
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_______ is the study of the physical form and external structure of plants.
Living things constitute the biotic component of the ___________________.
A deep crack in a glacier is called
_____________ is the number of deaths in the population during a given period.
Ornithophily is effected by
Halophytes are plants that grow in
Which of the following is man-made fibre?