Match each environmental change with its description.
chemicals react with water and oxygen that enter water systems.
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nutrients in excessive amounts enter water systems, causing algal bloom.
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a high concentration of toxic chemicals is present in the bodies of animals at the highest trophic levels.
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cardiovascular system

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surface modification is a versatile tool and has been widely used in material science and engineering that has significantly facilitated the study and characterization of complex materials. at  matexcel, experienced experts in surface science can offer tailored efforts to meet the specific needs from our clients.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

your answer is going to be physical weathering