Topic Details (Notes format)

Which element has the chemical symbol "Pt"?

Which kingdom in biology includes multicellular eukaryotes that ingest food and lack cell walls?

Which chemical element has the symbol O?

Which element has the chemical symbol "Al"?

Which political philosopher wrote ‘Leviathan,’ describing the social contract?

Which empire used quipus (knotted cords) for record-keeping instead of a formal writing system?

Who is known as the Iron Lady of British politics?

Who discovered in vitro fertilization?

Which river is the longest in India?

Who discovered gravitational waves?