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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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salsathief salsathief
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6 years ago
Why are there concerns about the long-term effects of oil spills, such as chronic, delayed, or indirect impacts?
 
  What will be an ideal response?
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#1
6 years ago
Many of these impacts are difficult to document and link to the spill because of the considerable time lag. For example, exposure to even tiny concentrations of the chemicals present in oil can cause harmful biological effects that usually go unnoticed. Scientific studies have shown that fish exposed to PAHs in crude oil exhibited changes in gene expression that are linked to developmental abnormalities, decreased embryo survival, and lower reproductive success that wouldn't be noticed until years later.
salsathief Author
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#2
6 years ago
Easily the best answer Grinning Face with Smiling Eyes
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