Question

Multiple choice questions
A. Choose the correct option.
1. Which of the following conditions is not
necessary for combustion?
a) presence of a combustible substanc
b) presence of oxygen
c) presence of nitrogen
d) attainment of ignition temperature​

Answer 1

I am not sure friend

Explanation:

so srry

Answer 2

Answer:

c) Presence of nitrogen is not

is notnecessary for combustion.

Mark my answer as Brainliest.