Question

how have the mountain passes been helpful to india since historic times explain​

Answer 1

Answer:

Elemental or metallic mercury is a shiny, silver-white metal, historically referred to as quicksilver, and is liquid at room temperature. ... At room temperature, exposed elemental mercury can evaporate to become an invisible, odorless toxic vapor. If heated, it is a colorless, odorless gas.

Answer 2

Answer:

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