The total amount of water as a percentage of all the mass that makes up our planet is estimated at 0.023%. A little over 2/3 of the Earth is covered by water; to be more precise, the consensus is 70.8% (71%) of the surface is water, 29.2 % is land. The total amount of water as a percentage of all the mass that makes up our planet is estimated at 0.023%. <br /><br /> A little over 2/3 of the Earth is covered by water; to be more precise, the consensus is 70.8% (71%) of the surface is water, 29.2 % is land. <br /><br /><br /><br /><br /><br /><b> </b>.
Dictionary entry overview: What does hyperventilation mean? â¢ HYPERVENTILATION (noun) The noun HYPERVENTILATION has 1 sense: 1. an increased depth and rate of breathing greater than demanded by the body needs; can cause dizziness and tingling of the fingers and toes and chest pain if continued Familiarity information: HYPERVENTILATION used as a noun is very rare.
Definition of Hyperventilation Hyperventilation is rapid or deep breathing that can occur with anxiety or panic. It is also called overbreathing, and may leave you feeling breathless.