Topic Details (Notes format)

Which planet has the most extensive ring system in the solar system?

What natural phenomenon is measured by the Richter scale?

Who discovered acetylcholine?

In which year did the Berlin Wall fall?

Who discovered the Van Allen radiation belts?

Who discovered Machu Picchu?

Which structure in cells stores genetic information (DNA) in eukaryotes?

Who discovered the Oort Cloud?

Which element has the chemical symbol "Pt"?

Which element has the chemical symbol "Mn"?