The square answer is nobody has a clue (though to judge by the variety of donor-project proposals that cite the phenomenon there would seem to be an overabundance of plausible answers).
The government decided to do nothing to stop gun atrocities because the political power of obsessive gun zealots with ignorant, hallucinatory political worldviews outweighed the reasonable public consensus that an overabundance of easily obtained guns has created a serious threat to Americans' public safety.
However, its overabundance where protected from predation and from adequate hunting has led to severe damage to forestry and agriculture, to high levels of collisions with cars and trucks and resulting injuries and fatalities among motorists, as well as to an upswing in dangerous transmissible diseases such as Lyme disease.
Heavy rainfall has intensely leached many soils, leaving them with few nutrients but with an overabundance of insoluble iron and aluminum silicates.
Higher education in Alabama suffers from duplication of effort caused by the overabundance of institutions, which dilutes resources.
The two most conspicuous differences are the overabundance of stars of brighter absolute luminosities and the underabundance or absence of stars of faint absolute luminosities.
For example, the luminosity function for the young clusters h and χ Persei, when compared with the van Rhijn function, clearly shows a large overabundance of bright stars due to the extremely young age of the cluster, which is on the order of 106 years.
Increased viscosity may be due to an overabundance of red blood cells (polycythemia) or an increase in one or more fractions of the protein content of the plasma; hyperglobulinemia is an example of the latter.
Any survey of elementary human needs and the means to fulfill them brings out the incongruous coexistence of overabundance and deprivation.
Whereas traditional journalism originated during a time when information was scarce and thus highly in demand, 21st-century journalism faced an information-saturated market in which news had been, to some degree, devalued by its overabundance.
However, Brazilian farmers soon produced an overabundance of coffee, and the slumping value of that product's exports threatened the nation's prosperity.
