Topic Details (Notes format)

Which element has the chemical symbol "Og"?

Which ancient empire built the Ishtar Gate, one of the gates of Babylon?

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

Who discovered the first Homo sapiens fossils in Africa?

What is the smallest unit of matter that retains the properties of an element?

Who discovered the sliding filament theory?

What is the phenomenon called when water vapor changes directly from gas to solid, forming frost?

Which element has the chemical symbol "Es"?

Who discovered DNA polymerase?

Which element has the chemical symbol "Bi"?