10 of 100 Crossword-Questions containing the word OXYGEN
___ acid 39-Across component A NONMETALLIC BIVALENT ELEMENT THAT IS NORMALLY A COLORLESS ODORLESS TASTELESS NONFLAMMABLE DIATOMIC GAS A VEHICLE DESIGNED FOR NAVIGATION IN OR ON WATER OR AIR OR THROUGH OUTER SPACE About 21% of air About 21% of the atmosphere About a fifth of the air AEROBIC, growth/living requirement of an AIR ___ BREATHE, THE air component view all