The stratospheric ozone layer is Earth's “sunscreen”  protecting living things from too much ultraviolet radiation from the sun.

Oxygen layer in the atmosphere

Ozone protects us from the harmful ultraviolet radiation of the sun.

Ozone formula: O3

The ozone layer lies approximately 15-40 kilometers (10-25 miles) above the Earth's surface, in the stratosphere.

1. Earth
2. Mars
3. Jupiter
4. Saturn

1. Triangulum Galaxy
2. Milky Way
3. Whirlpool Galaxy
4. Sombrero Galaxy

1. 3,50,000km
2. 3,60,100km
3. 3,72,000km
4. 3,84,400km

1. 5 min 20 sec
2. 6 min 20 sec
3. 7 min 20 sec
4. 8 min 20 sec

1. Sun
2. Asteroid
3. Moon
4. None of these