you find a litter of cats both parents and fathers cast of black you notice that 2 out of 8 or white how is this possible

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

i dont know this but ask your teacher for !

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answer is

human impact on the environment can be seen in the deterioration of the !

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you can have just about every answer you can think of