SSC JE Civil 9 Oct 2023 Shift 1 Solved Paper

Section: General Awareness

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Question : 53 of 200

Marks: +1, -0

Select the correct statement.

An open ecosystem exchanges both energy and matter with its surroundings.
A closed ecosystem exchanges both energy and matter with its surroundings.
A closed ecosystem exchanges only matter and no energy with its surroundings.
An open ecosystem exchanges only energy and no matter with its surroundings.

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