Some gases from the air come from volcanic eruptions. Volcanic eruptions eject gases from the interior of Earth. The most typical gas emitted by volcanoes is h2o vapor. Other gases, like carbon monoxide and sulfur dioxide, are poisonous to most organisms. a : the substance by which radio waves travel https://air-conditioning-systems67889.verybigblog.com/36369424/air-conditioning-systems-fundamentals-explained