The depressed cowry lives quietly at the bottom of the sea.

I can't find my birth certificate.

What should I do to obtain his death certificate?

This certificate of value proves the value of the product.

I forgot my identification papers, so I couldn't open an account at the bank.

I had a hard time finding my birth certificate.

Please remember to bring your travel documents.

May I show you my proof of qualification?

Chemotransmitters play an important role in the transmission of information between nerve cells.

Neurotransmitters are responsible for transmitting information between nerve cells.