Question

warm current produce a milder climate why

Answer 1

"Upwelling brings cold , nutrient -rich water from the depths up to the surface . The earth's rotation and strong seasonal winds push surface water away from some western coasts , so water rises on the western edges of continents to replace it, which is why the ocean is so much colder on the east coast than the west coast . "
This is the reason why warm current produce a milder climate .

I hope this answer helped you....

Answer 2

The earth's rotation and strong seasonal winds push surface water away from some western coasts , so water rises on the western edges of continents to replace it, which is why the ocean is so much colder on the east coast than the west coast . " This is the reason why warm current produce a milder climate