Question
Define a combination reaction.
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$ \ \ \ \ \ \ \ \ \text{H} \ \ \ \ \text{H} \ \ \ \ \text{H} \ \ \ \ \ \ \text{H} \ \ \ \ \ \ \\ \ \ \ \ \ \ \ \ \ | \ \ \ \ \ \ | \ \ \ \ \ \ | \ \ \ \ \ \ \ | \\ \text{H}- \text{C}-\text{C}-\text{C}-\text{C}-\text{C}-\text{O}-\text{H}\ \ \\ \ \ \ \ \ \ \ \ \ | \ \ \ \ \ \ | \ \ \ \ \ \ | \ \ \ \ \ \ \ | \ \ \ \ \ \ || \\ \ \ \ \ \ \ \ \ \text{H} \ \ \ \ \text{H} \ \ \ \ \text{H} \ \ \ \ \ \ \text{H} \ \ \ \ \text{O}$