The correct answer is letter (<span>C) The polar air mass moves south to replace the rising maritime tropical air mass.</span> These air masses are bringing cold air to warmer areas most especially during the winter and cool. These air masses are stable and usually does not form much cloud. While the Continental Polar air move down south, across the warmer land, the lower part of the air mass is modified and thus few clouds are formed.
Its head water that the best anwers
Volcanic eruptions may occur in both locations, as the movement can cause the tectonic plates to allow magma through.
I think it would be that fish farming does not happen in the ocean environment therefore an excess of fish waste would not affect will fishes that humans consume. Another term for this is pisciculture. It involves growing fishes in tanks.