ronr34 wrote:
Question 2: why isn't the answer E?
It's stated in the first sentence of the article.... they are " one of the most fragile, biologically complex, and diverse marine ecosystems on Earth."
What's wrong with option E?
Helloronr34 ,
Let me explain your query.
It is truly mentioned that they(Reefs) belong to some of the most fragile, etc.. ecosystems. in the passage, but it is not compared with species on dry land.
So we can't tell the specific comparison between dry land species and
...
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