The activation and deactivation of features at runtime poses challenges for ...

Is that sentence correct? Or does “activation and deactivation” require the plural, i.e., "pose"?

2 Answers 2


Either one works. You can view it as a single unified set of actions, as in

Throwing and catching is a fundamental skill.
Breaking and entering is a serious crime.
Fish and chips is delicious.

Or you can view it as two separate actions:

Throwing and catching are fundamental skills.

  • that was what confused me, that ultimately both work.
    – mrsteve
    Commented Nov 12, 2013 at 13:42
  • I'd upvote, Peter, but I'm sure we've been here before – and you don't exactly need the points. Buy yourself a fish and 43 chips. Commented Nov 12, 2013 at 22:00

Activation and Deactivation of features - This has two actions involved. Plural. So 'Pose' will be right.

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