29 When you hide your face, they are terrified; when you take away their breath, they die and return to the dust.

Read Psalm 104:29 Using Other Translations

Thou hidest thy face, they are troubled: thou takest away their breath, they die, and return to their dust.
When you hide your face, they are dismayed; when you take away their breath, they die and return to their dust.
But if you turn away from them, they panic. When you take away their breath, they die and turn again to dust.