Question

9tens and 8ones= tens and 18 ones​

Answer 1

Answer:

Chlorofluorocarbons, or CFCs, are compounds made up of combinations of the elements chlorine, fluorine and carbon; aerosols, refrigerants and foams contain CFCs. When these CFCs enter the air, they rise up into the atmosphere to meet up with and destroy ozone molecules

Answer 2

8 tens

Hope it's helpful to you ☺️❣️