Besides the force due to gravity or g, what else determines the period of a pendulum?

We have the weight acting downwards (W=mg) from the bob.

When the pendulum swings, there is air resistance acting on the bob.

The time taken to complete one oscillation.

The length of the string affects the time taken.

The tension of the string.

The time it takes to rotate around the oceans is equal to the time I first meet you, so in fact that means the you are my son, the son of the university