OXYGEN

It's all around you

• Inhale network

• Love is Like ___ (pop tune)

• 20 percent of the atmosphere

• 20% of the atmosphere

• About 21% of air

• About 21% of the atmosphere

• Ambulance tankful

• Astronaut's supply

• Atmosphere element

• Atmosphere gas

• Burning need

• Cable television network started by Oprah Winfrey

• Contents of some tents

• Element #8

• Element before tent or bar

• Element in chlorophyll

• Element in water

• Element whose symbol is O

• Gas in the air

• Gasoline & ___, engine's explosive mixture

• It constitutes about one-fifth of the volume of the atmosphere

• It's in the air

• Kind of mask

• Lifetime rival

• Mask supply

• Most abundant element

• Most abundant element in the earth's crust

• O may stand for it

• O, in many cases

• Part of H2O

• Plants release it

• Scuba-tank filler

• Something in the air

• Space shuttle supply

• Stuff in a tent

• The 'O' of H2O

• Trendy place to get gas?

• Type of mask

• Water part

• What love is like, in the title of a 1978 hit

• A nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas

• Constitutes 21 percent of the atmosphere by volume

• The most abundant element in the earth's crust