The depletion in Ozone layer is caused by ________ .
A). Nitrous oxide
B). Carbon dioxide
C). Chlorofluorocarbons
D). Methane
Chlorofluorocarbons
Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere.
1. Question 16.18:Name a sweetening agent used in the preparation of sweets for a diabetic patient.
3. Percentage of carbon in steel i ranges from
4. Greenhouse effect is caused by
5. Molasses a byproduct in the manufacture of sugar is converted into
7. The material used in the manufacture of lead pencil is
8. The advantage of detergents over soaps is