Amajor factor in the conversion of the us energy supply from fossil fuels to renewable forms of energy is

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What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k