The primary case of Nigeria's water pollution would be oil spills.
A(n) Air Mass is a homogenous volume of air defined based on its temperature, and moisture characteristics, air mass cyclone front parcel.
The five major types of air masses are Continental Polar air, Continental arctic air, Maritime Polar air, Maritime Tropical air, Continental Tropical air.
The mantle is the tectonic plate we talk about in plate tectonics. Theasthenosphere (a:without; stheno:strength) is the weak and easily deformed layer of the Earth that acts as a “lubricant” for the tectonic plates to slide over.
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Waves are created by winds blowing toward the coast, I think that is your answer
