Question

For something to combust, it must have ____________.

A. Carbon dioxide
B. Oxygen
C. Water
D. Nitrogen

Answer 1

the answer would be B

Answer 2

`╰┈➤\: \huge\color{pink}{\bold{Answer}}`

For something to combust, it must have Oxygen

• A. Carbon dioxide
• B. Oxygen
• C. Water
• D. Nitrogen

`\: \: \:`

`╰┈➤\: \huge\color{pink}{\bold{Explanation}}`

• We don't have to keep lighting a campfire, it just keep burning

• To summarize, for combustion to occur three things must be present: a fuel to be burned, a source of oxygen, and a source of heat

`\: \: \:`

So choose letter B