Question

The -------- is largest ecosystem. *

Ocean
Forest
Earth
River
​

Answer 1

Answer:

Ocean

Explanation:

Ocean is the largest existing ecosystem on our planet. Covering over 71% of the Earth's surface, it's a source of livelihood for over 3 billion people.

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Answer 2

Answer:

Ocean

Explanation:

The World Ocean is the largest existing ecosystem on our planet. Covering over 71% of the Earth's surface, it's a source of livelihood for over 3 billion people.

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