The first paragraph introduces a central idea of the passage by demonstrating the extensive impact
of modern technology on the world. How does Paragraph 4 function in regards to this central idea?
A
Paragraph 4 explains the importance of geographic location on humans, which
develops another central idea of problems with light use by heavily industrialized
societies
B
Paragraph 4 explains a specific effect of modern technology on humans, which
then develops another central idea of light in particular impacting human health.
С
Paragraph 4 explains the consequences of political differences between various
nations, which then develops another central idea that more civilized nations use
a large amount of electricity.
Paragraph 4 explains that most densely populated areas are more likely better
illuminated, which then develops another central idea that the westen hemisphere
can be better seen by astronauts.