Concept:Cold ocean currents lower the temperature of the overlying air, causing moisture to condense into fog instead of rising to form rain clouds.
Explanation:Cold currents flow from cooler polar regions toward warmer areas, cooling the air above them.
When warm, moist air passes over a cold current, its temperature drops quickly.
This cooling causes water vapour in the air to condense into tiny droplets, forming fog.
Because the lower air is cool and dense, it remains stable and does not rise easily.
Without rising air, rain clouds cannot form, so the area receives fog rather than actual rainfall.
Thus, coastal regions washed by cold currents often experience misty weather with limited actual rain.
A rise in tide, a rise in air temperature, or a rise in sea level are not direct effects of cold currents.
Answer:D. fogs instead of actual rain