She scratched beneath the surface to uncover the truth.

She is scratching beneath the surface to uncover the truth.

She is scratching below the surface to uncover the truth.

Beneath the surface, there is a lot more going on than meets the eye.

It is important to scratch beneath the surface to truly understand a person.

Mobile Army Surgical Hospitals provide critical medical care in war zones.

The pollution in the surface waters is a major concern for environmentalists.

The heavy rain caused surfeit waters to flood the streets.

I prefer taking surface streets instead of the highway.

The surface tensions of the liquids were measured using a tensiometer.