Please research the interaction between these two drugs.

He went to the library to investigate the incident.

Strong interaction is one of the four fundamental forces in particle physics.

Weak interaction is one of the four fundamental forces between elementary particles.

Fundamental interaction is one of the most important forces in physics.

Gravitational interaction creates attraction between objects.

Electromagnetic interaction is one of the fundamental forces used to explain the force between substances.

Please clean the room.

Please do not press that button.

Please give me that book.