<span>The relatively warm waters of the </span>North Atlantic Drift<span> are responsible for moderating the climate of western Europe, so that winters are less cold than would otherwise be expected at its latitude .Water in the </span>north Atlantic<span> sinks because it is dense.</span>
They are not being produced as fast as they are being used.
C is the correct answer.
Barrow Alaska is an example of a polar tundra climate that is marked by low vegetation growth, cold temperatures, low amounts of precipitation, and no true summer.