Environment related opportunities for service include lake cleanup. The correct option among all the options that are given in the question is the first option or option "a". There are several other types of services also related to environment. I hope that this answer has come to your help.
Indian ocean
Atlantic ocean
pacific ocean
A solar system is a group of planets that orbit around a sun (giant burning star) that has enough gravity to keep the planets from crashing into each other, as well as stop them from drifting away
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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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