They release carbon dioxide for photosynthesis.
The producers synthesize their food through photosynthesis using energy from sunlight and carbon dioxide from the air.
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A shield volcano is a type of volcano usually built almost entirely of fluid lava flows. They are named for their low profile, resembling a warrior's shield lying on the ground. This is caused by the highly fluid lava they erupt, which travels farther than lava erupted from stratovolcanoes
Chile, Argentina, Brazil, Paraguay
This isn’t an answer but I could help you if you tell me the project requirements
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