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Live a More Eco-Friendly Lifestyle. This is one of the easiest things you can do to help save the Polar Bears. ...
Recycle Recycle Recycle. ...
Adopt A Polar Bear! ...
Join WWF's Action Center! ...
Educate Yourself!
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This constancy of the chemicals involved denotes that no particular reaction is taking place on the cells involved. For instance, during photosynthesis it would require CO2, H2O and photons to initiate the process. Thank you for your question. Please don't hesitate to ask in Brainly your queries.