The correct answer is true
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If you visit the Senate chamber during a session on an average day, you're most likely to find the session presided over by the majority leader.
All I know is part A to the question :The geography of India greatly influenced the location of early settlements on the subcontinent. Both the Indus and the Ganges rivers carried rich silt from the mountains to the plains. When the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.