Question

Science has given humans many amazing devices and useful bits of knowledge. We know so much about our bodies and how to stay healthy, for example. We also know how to make machines and devices that make life easy for us. Scientists dedicate their lives to knowledge, but even with a lifetime commitment, sometimes scientists fail to find all the answers. One mystery that still remains unsolved is why we yawn—what makes us yawn and what purpose it serves.

Which line shows the main idea of the bolded paragraph?

A. Science has given humans many amazing devices
B. We know so much about our bodies and how to stay healthy
C. Sometimes scientists fail to find all the answers
D. One mystery that still remains unsolved is why we yawn

Answer 1

I would like to say A, because the paragraph talks about how scientists have quested for knowledge, and lightly touches on machines and devices.

Answer 2

The sentence which shows the main idea is, Science has given humans many amazing devices.

What is main idea?

Main idea is the most important or the central idea of a passage.

Because the passage talks about how science has given humans many amazing devices and useful bits of knowledge. We also know how to make machines and devices that make life easy for us, such ideas brings out the overall purpose of writing the passage, and as the passage started with the sentence that science has given humans many amazing devices, which brings out the main idea of the passage. As main idea means the most important or the central idea of a passage and the main idea sets the purpose of the passage and main idea often is the first sentence of the passage.

Hence the correct option is, A. Science has given humans many amazing devices.

Ton know more about main idea:

https://brainly.com/question/13024528

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