Crossword Heaven

Answer: OXYGEN

OXYGEN is a crossword puzzle answer that we have spotted 45 times.

• Element whose symbol is O
• About 21% of the atmosphere
• Something in the air
• Space shuttle supply
• Cable television network started by Oprah Winfrey
• Ambulance tankful
• Contents of some tents
• Element #8
• About 21% of air
• Element in chlorophyll
• Astronaut's supply
• O, in many cases
• Scuba-tank filler
• It's in the air
• Human need
• Breathing need
• It's good for a breather
• Part of H2O
• Element in water
• The 'O' of H2O
• Trendy place to get gas?
• Gas in the atmosphere
• O may stand for it
• Atmosphere part
• Roughly 21% of the atmosphere
• Kind of mask
• Element 8
• Scuba tank content
• Network co-founded by Oprah Winfrey
• Most abundant element in the earth's crust
• O
• Scuba gear element
• Space station supply
• Astronaut's tankful
• 39-Across component
• Gas in a tank
• Gas in scuba tanks
• You take it in
• Space shuttle gas
• About a fifth of the air
• O, on the periodic table
• TV channel named for an element
• Word with mask or tent
• Most abundant element in Earth's crust
• Element carried by hemoglobin