The overall charge on the polyatomic sulfate ion is 2–. Its formula is SO42– . If the oxygen ion has a 2– oxidation number, determine the oxidation number of sulfur in this polyatomic ion.

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Answer(false);

The population of unionid mussels decreased after zebra mussels were introduced. zebra mussels competed with the unionid mussels for food. the zebra mussels were able to displace the unionid mussels, allowing the zebra mussel population to increase  over the years. the unionid mussel population decreased because  of lack of food.

Ansaquatic plants;