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Semmy [17]
3 years ago
10

Which of the following statements about aquatic ecosystems IS correct?

Biology
1 answer:
nirvana33 [79]3 years ago
8 0
Hey! I think the correct answer would be the last one! Estuaries are where fresh water from rivers and streams mixed with salt water
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(F) Chitin- Chitin is a hard shell that is present in various organisms, forming its exoskeleton, for defense purposes. For example, arthropods.

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