Rapid population growth in sunny, warm areas of the United states resulted in both the growth of housing developments and the destruction of natural pine forests. Subdivisions, much like the one pictured here, have sprung up throughout the Southeast United States. Without proper monitoring, however, all BUT ONE of these is an expected consequence of such rapid development.
A) erosion and top soil loss
B) decrease in local biodiversity
C) flooding and increased run-off
D) decrease in average annual temperature

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explanation:

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sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.