Topic Details (Notes format)

In which layer of Earth do earthquakes primarily occur?

Which Greek mathematician is known as the Father of Geometry?

Who discovered electromagnetism?

Which is the longest river in the world?

Which alliance of city-states under Athens fought against Sparta’s Peloponnesian League?

Who discovered the electron?

Which cat species cannot retract its claws fully and is known for running speed?

Which element has the chemical symbol "Lu"?

Which country is known for its fjords and Viking heritage, located in Northern Europe?

Which phenomenon occurs when white light splits into colors passing through a prism?