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which of the following best describes a way in which individuals have an impact on the level of greenhouse gases in the atmosphere?

a using aerosols that contain chlorofluorocarbons (cfcs) decreases the amount of protective ozone (o3) in the atmosphere.
b using appliances that absorb radiation decreases the amount of nitrous oxide (n2o) in the atmosphere.
c burning fossil fuels decreases the amount of water vapor (h2o) in the atmosphere.
d deforestation decreases the amount of carbon dioxide (co2) in the atmosphere.