The greenhouse effect is related to the increase in the average surface temperature which is considered "global warming". Global warming is the result of an increase in gases like methane, carbon dioxide, and other factors that lead to a rise in the planet's temperature.
The rotating loops of currents that occur in the ocean are referred to as gyres.
<span>The Atlantic Provinces
Central Canada
The Prairie Provinces
The West Coast
<span>The Northern Territories
I hope this helps! :)</span></span>