Oil spills into rivers, bays, and the ocean most often are caused by accidents involving tankers, barges, pipelines, refineries, drilling rigs, and storage facilities. Spills can be caused by: people making mistakes or being careless.
The answer is b. ectomorphs because they have bodies that are tall and thin <span />
B to obtain oxygen
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Zippy Xylem. The xylem of a plant is the system of tubes and transport cells that circulates water and dissolved minerals.