CommonLit | HE-Y, COME ON OU-T! How do paragraphs 18-20 contribute to the development of the theme?
A) They illustrate that the people do not know what will result from their actions.
B) They demonstrate how dangerous the hole is to human life and why it must be filled.
C) They give an example of how changes in the environment can positively affect human beings.
D) They show how people that live in close contact with nature are better able to understand natural changes.

Paragraphs
[18] The scientist contacted people at his laboratory and had them bring out a high-powered bull horn, with which he was going to check out the echo from the hole’s bottom. He tried switching through various sounds, but there was no echo. The scientist was puzzled, but he could not very well give up with everyone watching him so intently. He put the bull horn right up to the hole, turned it to its highest volume, and let it sound continuously for a long time. It was a noise that would have carried several dozen kilometers above ground. But the hole just calmly swallowed up the sound.

[19] In his own mind the scientist was at a loss, but with a look of apparent composure he cut off the sound and, in a manner suggesting that the whole thing had a perfectly plausible explanation, said simply, “Fill it in.”

[20] Safer to get rid of something one didn’t understand.

Drag the tiles to the correct boxes to complete the pairs. match each paragraph to its corresponding purpose. tiles: instructs describes persuades narrates pairs before you purchase a used car from a dealer or an individual, there are important steps you must take. first, examine the car using an inspection checklist, which you can download and print from many websites. then test-drive the car under a variety of road conditions, making sure that it handles well in many situations. finally, ask for the car’s maintenance report and make sure you understand any repairs made on the car. arrowboth "good morning, sal! " uncle freddie said. " for coming in so early today." uncle freddie danced as he spoke. sal yawned. he did not know how his uncle woke up so cheerfully before dawn every day. uncle freddie placed a tray of cookies in front of sal. "i need you to decorate these," he said. he handed sal several tubes of icing. arrowboth the hole created by the meteorite's impact, known as the barringer meteorite crater, can still be seen today. it is one mile wide and over 550 feet deep—20 football games could be played at the same time on its floor, and more than two million people could watch from its sloping sides. arrowboth you know the feeling: it’s minutes until the school bus comes, but you just rolled out of bed, threw on some clothes, barely brushed your teeth, and now you’re racing out the door to catch the bus. you skip breakfast again. that’s three days this week alone! it’s no wonder, then, that by second period you start to feel awful, with your stomach grumbling and your eyelids drooping. my fellow classmates, listen up! you may be surprised by how a few simple changes in your life can have a huge effect on how you feel morning, noon, and night! arrowboth