Question

the timber is___________this releases nitrogen into the air.

Answer 1

Timber is a wood releases Nitrogen Oxide - NOx in to the air when burnt  

• When timber wood is burned it releases VOCs - Volatile Organic Compounds and NOx - oxides of Nitrogen.  
• Wood burning release of Nitrogen dioxide (NO2), is considered to be a harmfulness thing for living organisms.
• However gradually the releases oxide of nitrogen would react with ozone chemically to generate secondary NO2 and oxygen.
• This effects of wood burning and stoves pose risk on human health and climate.
• The products of wood burning which are potentially unhealthy include nitrogen dioxide (NO2), VOCs (benzene), dioxins, other organic compounds are highly dangerous to the environment and human health.

To learn more:

1) What is timber ? please explain :

https://brainly.in/question/7652318  

2) Why does wood burn with flame when it is a solid fuel:

https://brainly.in/question/1563335