He is an expert in geophysics.

He was born in an oblast of Russia.

Thank you for the delicious dinner, it was a feast.

Thank you for the delicious dinner, it was a feast.

He is traveling around the world in search of adventure.

She works as a stewardess.

In order to solve problems, it is important to listen to the opinions of many people, as the saying goes, 'two heads are better than one'.

It is generally believed that the life of the middle class is stable.

The reason why water droplets become round is due to surface tension.

He felt cognitive dissonance between his actions and beliefs.