He is searching for new ideas.

What is the unit of measure for this product's weight?

Methane is the simplest hydrocarbon in organic chemistry.

Her sigh echoed in the room.

He sighed deeply.

His success is a matter of sooner or later.

This sentence is written in a shortened form.

This shirt shrinks when you wash it.

Carbon dioxide is one of the main causes of global warming.

Beautiful peonies are blooming in my garden.