Ozone layer is affected by which harmful gas?

Related Mcqs:

Person with following blood group are considered to be universal recipient ?

A. A+ B. B+ C. AB+ D. O+ E. None of these...

The term ‘Blue Shift’ is used to indicate?

A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object. B. Turning a star from white to blue C. In future sun would become blue D. Black hole was blue at its start E. None of these...

The deepest place on earth is ____________?

A. Trench B. Mariana Trench C. Mangrove D. Groove E. None of these...

Which of the following diseases is caused by virus?

A. Small pox B. Tuberculosis C. Malaria D. Cholera...

Human bone does not contain_________?

A. Calcium B. Chondroitin sulfate C. Boron D. phosphate...