Answer: The correct answer is C: decreased use of fossil fuels.
Explanation: The burning of fossil fuels causes the release of CO2 and other harmful substances into the atmosphere. Fossil fuels are fuels that are burnt by power plants and such to generate power.
A force is a push or a pull. When one object pushes or pulls another object, you say that the first object is exerting a force on the second object.
Atoms are the most basic confirmed building block of life. Everything is made up of atoms. Atoms are made the positively charged protons, neutral charged neutrons, and negatively charged electrons.