B is not right
c or a,
a is not right
c is correct because they need each other to live
hope that helped :)
Explanation:
Production. According to the U.S. Energy Information Administration, most of the nation's electricity was generated by natural gas, coal, and nuclear energy in 2018. Electricity is also produced from renewable sources such as hydropower, biomass, wind, geothermal, and solar power.
Theories explain phenomena, whilst laws are generalizations which characterize them.
Answer:
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