Their tone was dissatisfied, almost menacing.
Phoenix and Lubbock are both caught in severe drought, and it is going to get much worse. We may see many such [dust] storms in the decades ahead, along with species extinctions, radical disturbance of ecosystems, and intensified social conflict over land and water. Welcome to the Anthropocene, the epoch when humans have become a major geological and climatic force.
'Poor white trash' is likely the most enduring and degrading in a long line of 'stigmatypes'– 'stigmatizing boundary terms that simultaneously denote and enact cultural and cognitive divides between ingroups and outgroups' –such as 'redneck,' 'cracker,' and 'hillbilly.'
Given a a times b, a larger than or equal to b, superregular matrix over a field, we show that if all of its rows are nonzero then any linear combination of its columns, with nonzero coefficients, has at least a-b+1 nonzero entries.
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