To protect against introduced species, some states have laws preventing ocean-going ships from dumping ballast water in harbors or ports. what does this indicate about introduced species?
a. many can live a long time without food.
b. many are transported in ballast water.
c. many are fish that live in salty ocean water.
d. many are native to freshwater harbors.
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To protect against introduced species, some states have laws preventing ocean-going ships from dumpi...
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