"Dazzling northern lights glowed as far south as the Caribbean Sea and Mexico, and sparking wires shut down telegraph networks the Internet of the day-across Europe and North America."
"A solar storm in March 1989 crippled the power grid in Quebec, depriving millions of customers of electricity for nine hours."
"Our modern, globally connected electronic society is now so reliant on far-flung transformers and swarms of satellites that a major blast from the Sun could bring much of it down."
"But for now, the Sun's activity is so complex that its convulsions baffle the field's top minds."
1 answer
The statement that BEST expresses the MAIN theme of the passage is:
"Our modern, globally connected electronic society is now so reliant on far-flung transformers and swarms of satellites that a major blast from the Sun could bring much of it down."
This option encapsulates the theme of the passage by highlighting the vulnerability of our technologically connected society to solar events, reflecting the impact of solar activity on our infrastructure and daily life.
