Answer: C, Appears to be genetically almost inactive.
Sources: https://answers.yahoo.com/question/index?qid=20110412082808AAEciMo
and
https://answers.yahoo.com/question/index?qid=20111027121958AA1U5VE
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A population that has been isolated, especially a smaller one, could have a high level of homozygosity and therefore not a lot of genetic variation. Gene flow between such populations can increase the level of heterozygosity, and therefore up genetic variation.
Lead.
"Due to insufficient water treatment, lead leached from water pipes into the drinking water, exposing over 100,000 residents to elevated lead levels."
Answer:
B. surface runoff
Explanation:
Surface runoff is the flow of water that occurs when excess storm water, melt water, or other sources flow over the Earth's surface.
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