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Why Eskimos Build Igloos and Air in Space Question
The article answers two reader questions. First, why igloo walls form ice on the inside as oil fires melt snow. Eskimos may pause burning oil for hours, causing a film of ice inside. It notes many Eskimos live in wood or stone houses and use snow houses mainly on hunts. The second question explains air does not exist in space because Earth gravity holds heavier gases like nitrogen and oxygen. space contains mostly hydrogen, which is extremely thin.
MENTIONED IN THIS ARTICLE
Alaska
Greenland
Martha Duff
Wilma Ratliff
Betty Lou Axford
Middletown
Butler County
Ohio
Space