Answer:
mitochondrion
The correct answer: The plant cell organelle which contains its own DNA and ribosomes is D) mitochondrion.
Answer:
The World 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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<em><u>^Hope this helps, Hazel^</u></em></h2>
