Matching:
question 1)
the gulf steam originates near the equator and is therefore

warm water current
cold water current
circularumpolar current

question 2)
the labrador current originates the north polar region and is therefore

warm water current
cold water current
circularumpolar current

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.