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1.What weakens coral exoskeletons? Excess salt Excess CO2 Excess sunlight Excess fishes 2.A quarter of marine life lives in which type of ecosystem? fish zooxanthellae coral reef ocean 3.What do corals
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1.What weakens coral exoskeletons?

Excess salt


Excess CO2


Excess sunlight


Excess fishes


2.A quarter of marine life lives in which type of ecosystem?


fish


zooxanthellae


coral reef


ocean


3.What do corals provide for zooxanthellae?


food


sunlight


a source of oxygen


a protective area

User Rinzwind
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1 Answer

5 votes

Answer:

1 is excess CO2

2 is coral reef

3 both a protective area and food in the way of nutrients though if you only can choose one go with protective area

Step-by-step explanation:

User Zevi
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