Question

Which type of microscopes was developed most recently?(1 point)
Responses

electron microscope
electron microscope

scanning tunneling microscope
scanning tunneling microscope

fluorescence microscope
fluorescence microscope

light-based microscope
light-based microscope

Answer 1

Scanning tunneling microscope — developed most recently (1981). Electron microscopes date to the 1930s, fluorescence microscopes to the early–mid 20th century, and light microscopes much earlier (17th century).