Question

What is the main idea or gist of the passage?

A) The invention of the electric light bulb has had only positive effects on the world.
B) Human inventions, like cars and plastic, have exclusively negative impacts on the environment.
C) Many human inventions have both positive and negative consequences, as illustrated by the electric light bulb.
D) Electric light bulbs are not as significant an invention as cars or plastics.

Answer 1

The main idea of the passage is that many human inventions, including the electric light bulb, have both positive and negative consequences.

Step-by-step explanation:

The main idea or gist of the passage is that many human inventions, including the electric light bulb, have both positive and negative consequences. The passage describes how the invention of the electric light bulb had positive effects on the economy and daily life, such as allowing factories to operate longer hours and illuminating cities. However, it also mentions that the invention had negative consequences, such as disrupting sleep patterns and contributing to light pollution. Therefore, option C) Many human inventions have both positive and negative consequences, as illustrated by the electric light bulb, is the correct answer.