What are the human impacts on the Murray-Darling river?

Answer 1

The human's impacts to Murray-Darling river are wastes the water, throw rubbishes and pour the toxic waste. The most human's impact to river is pouring toxic into river. Because toxic waste is poisonous, so if someone in a factory pours toxic waste into the river, the poison will spread into the river. So the poison water flows into ocean. But while the water flows into the ocean, the fishes drink the poison water also the water flows into the ground and the ground grows poison plants