asked 146k views
9 votes
Which statements are true? Select all that apply.

Convection only happens with ocean currents.


Downwelling helps create currents.


Convection only happens with air circulation.


Upwelling carries rich nutrients from the bottom of the ocean to the surface.

asked
User Samwise
by
8.4k points

1 Answer

4 votes

the correct ones are 1 and 2

answered
User Budi
by
8.4k points
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