Which of the following is an artificial ecosystem that is manmade?

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Answer:

An artificial ecosystem is a man-made ecosystem that is created by humans for various purposes.
A crop field is an example of an artificial ecosystem because it is created by humans for the purpose of growing crops.
Crop fields are referred to as artificial ecosystems due to the manipulation of various biotic and abiotic elements.
Farmers make use of the connection between producers and abiotic variables.

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