A yoctosecond is one trillionth of a trillionth of a second.

He always tries to run away to avoid problems.

Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

This subfossil shows the life of creatures from thousands of years ago.

His coracoid process was fractured.

His transverse process was fractured.

The X-ray examination revealed that his pterygoid process was fractured.

The use of fossil fuels is causing global warming.

You passed the exam, well done!