0 heating. 23) Methane is the chief constituent of (2pts) natural gas. gasoline O diesel fuel. O diesel 24) The fossil fuel least polluting to burn is (2pts) natural gas coal gasolene diesel 25) In fracking, natural gas trapped in rock formations is released (2pts) by breaking up the rock with explosives. melting the rock with hot oil. breaking up the rock with water under high pressure. pumping the gas out with suction pumps. 26) Algae are able to make diesel fuel through photosynthesis using as a raw (1 pts) material water nitrogen carbon dioxide hydrogen 27) A promising but expensive method of preventing the escape into the atmosphere of carbon (1pts) dioxide from fossil fuel power plants is to make syngas from it. convert it to carbon monoxide in special furnaces. pump it into lakes and rivers. pump it into underground reservoirs