Why Was the Irrigation of Soviet Cotton Farming Operations a Problem

question 7

Multiple Choice

Why was the irrigation of Soviet cotton farming operations a problem?

• A)Irrigation water came from rivers feeding into one of the largest lakes on Earth and resulted in major contamination of that source.
• B)It drained the Aral Sea and increased the salt content of soils.
• C)It was,for the most part,not a problem.
• D)It angered local resort communities,which did not want farming in the region.
• E)There was governmental opposition that limited water access,killing crops.

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Definitions:

Bidirectionally

In a manner that involves or capable of moving in two opposite directions.

Nitrogen Bases

Organic molecules that serve as the building blocks of nucleotides, which in turn make up nucleic acids like DNA and RNA. The main nitrogen bases are adenine, thymine, cytosine, guanine, and uracil.

RNA Primer

The sequence of about five RNA nucleotides that are synthesized during DNA replication to provide a 3' end to which DNA polymerase adds nucleotides. The RNA primer is later degraded and replaced with DNA.

RNA Primase

An enzyme that creates a short RNA primer as the first step in DNA replication, necessary for DNA polymerase to initiate synthesis.