uses of oxygen..

Which of the following process makes direct use of oxygen ?

Through the use of oxygen-18 (heavy oxygen), scientists have found that the oxygen released during photosynthesis comes from molecules of

Life originated in the ocean. First living organism could make use of oxygen dissolved in water.

A diver uses noen- oxygen mixture containing 7.4 g oxygen and 167.5 g neon for respiretion under water. If the pressure partial pressures of oxygen and neon in the mixture? Atomic mass of oxygen is u and that of neon is 20.2 u.

Which of the following compound is/are used for oxygenating the submarine or spaceshuttle?

Number of ATP formed per molecule of oxygen used in respiration is

_______ is used as a source of oxygen in submarine , space shuttles and in emergency breathing apparatus .