Brainliestttme : )

which of the following shows an accurate combustion reaction?

2ch4 + o2 → 2ch3oh
cu + o2 → cuo2
mg + h2o → mgo + h2
so + h2o → so2 + h2

Yesbyes h2yhh8 id thr answer to your wuestiob

Most likely a is the answer - because  you generate   38 atp's but also consume an atp.   each atp gives approx. less than 4 kcal so probably a is the closest answer.