Basic oxides react with acids to produce salt and water.

This area is affected by radioactive fallout from past nuclear tests.

It is important for us to respect cultural diversity and understand each other's differences.

The study of filterable pathogens is an important part of virology.

She was diagnosed with polycystic ovary syndrome.

The results of the urine test are out.

The cause of his lateness was a train delay.

He passed away quietly.

He injured his little finger.

He pointed to the location on the map with his index finger.