What constitutes an ‘environmentally friendly’ cleaning product? Explain. Discuss the difference, if any, between environmentally-friendly and non-toxic.

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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

The biosphere of the earth is made up of what compound? organic or inorganic?