Which of the following is responsible for largest amount of oxygen on earth?

Related Mcqs:

The longest bone in human body is___________?

A. Ulna B. Tibia C. Femur D. Humerus...

The average speed of a moving object during a given interval of time is always:

A. the magnitude of its average velocity over the interval B. the distance covered during the time interval divided by the time interval C. one-half its speed at the end of the interval D. its acceleration multiplied by the time interval E. one-half its acceleration multiplied by the time interval...

Which of the following is a best conductor of electricity?

A.copper B.silver C.iron D.cobalt  ...

Sound waves are of which type? (FPSC 2019 FIA AD)

1- Longitudinal  2-  Transverse 3-  Latitudinal 4- Non of these...

Which product is obtained in the manufacture of soap from oils:

A.Sodium chloride B.Sodium hydroxide C.Fats D.Glycerine...