The major cause of ozone depletion is?

CFCs are the major cause of ozone depletion in our surroundings. These are capable of using ODS which was responsible for the 80% of destruction in the ozone layer nowadays. It's often found in coolants like refrigerators and air conditioners. It's also used when making foam products and hospital sterilizers.

1.fossils 2.analogous organs 3.homologous organs