Could you show me your passport to confirm your identity?

In physics, the wavefunction plays an important role in describing the state of particles.

He took a reckless action.

His reckless behavior is confusing the people around him.

We planned to explore a cave over the weekend.

There is no other way to deal with this problem.

We attend mass at this chapel every Sunday.

We attend mass at the chapel every Sunday.

'Beautiful' and 'pretty' are synonyms.

When you cross the equator, the climate changes significantly.