Water moves through watersheds to rivers, lakes, and eventually oceans. Wetlands cannot filter pollution from freshwater systems.
Pollution can move into underground aquifers used for drinking water.
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Ocean pollution is less harmful because it is mixed with a lot of water.
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Ocean salinity is the same in all locations.

Which of these organisms have the greatest amount of cell specialized

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers