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Which of the following defines hydroponics?


A method of growing plants using nutrient solutions without soil.


A method of food production using plants to filter the wastes of cultured fish.


A method of holding juvenile animals in the sea until they are large enough to sell for human consumption.


A method of breeding, rearing and harvesting of aquatic plants and animals for human consumption.


A method of artificial breeding and rearing animals in the early stages of life to be released for human catch and consumption.

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