In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
The occurrence and development of events by chance in a happy or beneficial way
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In bio fortification technique plant breeders use breeding to overcome
__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.
Speakers can establish credibility by
Nagarhole National Park is part of the ____________ Biosphere Reserve.
Which of the following induces nitrogen fixation in soil?
Which permanent tissue makes a plant hard and stiff?
Who Invented Post-it note?