6.9A identify energy transformations occurring during the production of energy for human use such as electrical energy to heat energy or heat energy to electrical energy; 6.9B compare methods used for transforming energy in devices such as water heaters, cooling systems, or hydroelectric and wind power plants 6.9C research and describe energy types from their source to their use and determine if the type is renewable, non-renewable, or inexhaustible. 7.14C make inferences and draw conclusions about effects of human activity on Earth's renewable, non-renewable, and inexhaustible resources.
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