⭐What are the properties of troposphere and ionosphere?
⭐What are the causes of ozone depletion?
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Answers
Answer:
Properties of Ionosphere :
- It extends from 80 km to 480 km.
- It contains electrically charged gas molecules which reflect the radio waves used in long distance communication back to the earth.
- The northern lights or aurora borealis are in this zone.
Causes of ozone layer depletion:
Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere (see details below).
Chlorofluorocarbons:
Chlorofluorocarbons (CFCs) are anthropogenic compounds that have been released into the atmosphere since the 1930s in various applications such as in air-conditioning, refrigeration, blowing agents in foams, insulations and packing materials, propellants in aerosol cans, and as solvents.
Answer2=
Human activities cause ozone depletion and global warming
The cause of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants, and foam- blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons)