Question

match up
1- akind of fossil fuels
2-a fuel with least colorific value
3-the burning region of gases
4-a substance which burn in air on heating
5-a gas produce during combustion, which act as plant food
6-a gas produce during combustion ,which cause acid rain ​

Answer 1

Answer:

1- akind of fossil fuels

2-a fuel with least colorific value

3-the burning region of gases

4-a substance which burn in air on heating

5-a gas produce during combustion, which act as plant food

6-a gas produce during combustion ,which cause acid rain