1. State why India has a variety of natural vegetation?
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How do convection currents form underwater mountains?

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration