80.3k views
0 votes
10 POINTS PLS HELP

Combustion occurs when _____.

oxidation reactions are very slow
oxidation reactions are so fast the substance catches fire
oxygen is removed from another substance
machines use chemical energy to do work

2 Answers

1 vote

Answer:

When oxidation reactions are so fast the substance catches fire

Step-by-step explanation:

because i am big bwain

User Loxdog
by
5.2k points
2 votes

Answer: oxidation reactions are so fast the substance catches fire

Step-by-step explanation:

User APC
by
4.7k points