Question

select the word or phrase that is redundant and can be removed without changing the meaning of the text.

albino kingsnakes are an invasive species in the canary islands. many years ago, they arrived in the islands as pets and either escaped or were released and set free by their owners.

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Explanation:

To determine redundancy, analyze the phrases. "Released" and "set free" have the same meaning. Removing "and set free" keeps the sentence's meaning (they were released by owners, either by escape or owner - initiated release).

Answer:

and set free