Sorry last one should read

[thelis]

Old idea to explain CH4 +202 = CO2 +2H20 (2 words P T) -
This is set out as a chemical forumla

[Baldric]

why don't you just put this as an answer to your own question?

http://www.theanswerb...r-crossword-question/

[thelis]

What is that supposed to mean??

[emeritus]

It looks like the formula for the combustion of a Fossil Fuel in this case (Methane)

If that helps anyone

[emeritus]

Possibly something to do with Climate Change or the Greenhouse Effect ?

[Cruciformist]

Could be PHLOGISTON THEORY

[Cruciformist]

See http://en.wikipedia.o...iki/Phlogiston_theory

[emeritus]

Excellent Answer Cruciformist that looks spot on

[cupid04]

Sorry, I haven't a clue, lol!

[TOMMO33]

and I don't expect this will help
http://wiki.answers.c...recipitation_reaction

[Baldric]

Thelis, if you read guideline number 4, there is an outside chance you may understand.

[thelis]

Thank you all very much for all the help you have given to me - even Baldric!!

[Baldric]

You're very welcome.