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All of that is being dumped into the Gulf of Mexico! The dead zone in the Gulf of Mexico has grown bigger over the years and is a dramatic case of what can happen. Unfortunately, according to many scientists, dead zones are becoming more common in the coastal waters of the United States.
the zone between the ground surface and the water table where pore spaces of the rock or soil may be partly filled with air and partly with water is referred to as the unsaturated zone or vadose zone and water in this zone is referred to as soil moisture (Fig)