Question

why does a potted plant die when over watered​

Answer 1

Answer:

if a potted plant is over waters its roots will not get enough oxygen to breathe as water fills up the airspaces present between the soil particles .these will cause decaying of the root and plant dies

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Answer 2

Answer:                                            

THIS HAPPENS BECAUSE OF LIMITED SUPPLY OF OXYGEN

Explanation:

overwatering leads to less supply of oxygen for the plant to use for photosynthesis and the root which are located on the downward side are unable to receive adequate amount of oxygen. Hence are are unable to perform photosynthesis which is responsible for making food [glucose] for plant