Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful
A). Solar ultraviolet radiation
B). Solar infrared radiation
C). CO2 in the air
D). SO2 in the air
Solar ultraviolet radiation
The ozone layer is a natural layer of gas in the upper atmosphere that protects humans and other living things from harmful ultraviolet (UV) radiation from the sun. The ozone layer filters out most of the sun's harmful UV radiation and is therefore crucial to life on Earth.
1. The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :
2. When there are two electrons in the same orbital, they have:
3. An emulsion is a colloidal solution of
4. The process which does not evolve CO2 in air is
6. The metal used to galvanise iron to protect it from rusting is
7. Of the following which one pollutes the air of abig city