Quiz - Plankton More Important than Scientists Thought
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Question 1 / 3
What new information did a recent study find about the role of plankton?
![](https://gdb.voanews.com/f42bfcaa-0ac5-4ee8-9a0a-791a5c646c89_w250_r1_s.jpg)
See how well you understand the Science report by taking a short quiz.