% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Other crossword clues for answer "METHANE"

METHANE
Gas found around marshes
It's a gas
Marsh gas
CH4
Swamp gas, mostly
Marsh gas, mostly
Polluting gas
Marsh hydrocarbon
Coal mine product
Swamp gas, essentially
A greenhouse gas
Hydrocarbon used as fuel.
Firedamp.
Dangerous mine gas.
Marsh gas, essentially
Marsh gas constituent
Natural gas constituent
Dangerous buildup in a mine
Coal miner's concern
Flammable gas represented in 18-Across and 9-Down
Dairy farm product
Greenhouse gas produced by cows
CH4 (natural gas)
Type of gas
Flammable gas
Fuel gas
Marsh emanation
Firedamp, for the most part
Carbureted hydrogen, more familiarly