Atmosphere : air

Atmospheric air is free from noble gases.

Air : Atmosphere : : Water : ?

Atmospheric air has 78 % N_(2) , 21 % O_(2) , 0.9 % Ar and 0.1 % CO_(2) by volume. What is the molecular mass of air in the atmosphere ?

Assertion : Most fish when out of water, die of suffocation. Reason : Atmospheric air contains far less oxygen content than the dissolved oxygen in water.

At the bottom of a lake where temperature is 7^(0)C the pressure is 2.8 atmosphere. An air bubble of radius 1 cm at the bottom rises to the surface. Where the temperature is 27^(0)C . Radius of air bubble at the surface is

What are the function of the conducting pan the respiratory system? a. Transportation of the atmospheric air to the alveoli b. Clears atmospheric air from foreign particles c. Humidifles atmospheric air d. Brings the atmospheric air to body temperature e. Diffusion of O_(2)" and "CO_(2) between blood and atmospheric air

Compared to the atmospheric air, the alveolar air has