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.
Excessive breathing creates low levels of carbon dioxide in your blood. This causes many of the symptoms of hyperventilation. Feeling very anxious or having a panic attack are the usual reasons that you may hyperventilate. But rapid breathing can be a symptom of a disease, such as: