2) The largest geomagnetic storm on record, known as the occurred in 1859, causing to spark & caused fires! (There are 2 correct and BOTH must be selected!)

O Solar Apocalypse
O Carrington Event
O Computers
O Telegraphs

The two correct options are "Carrington Event" and "Telegraphs".

The correct answers are:

- Carrington Event: The largest geomagnetic storm on record is known as the Carrington Event, which occurred in 1859.

- Telegraphs: During the Carrington Event, the geomagnetic storm caused telegraph systems around the world to spark and resulted in some telegraph offices catching fire.