Question

read this excerpt. what is the purpose of these paragraphs? a they ask questions that the reader will answer. b they give the meanings of new or hard words. c they present different sides of an argument. d they explain how an event in nature happens. one day, people in california looked up at the clouds. they saw a big hole in the clouds. it was a hole - punch cloud. clouds are made of water drops. sometimes, a cloud will spread over the sky, like a cover. a part of the cloud may “fall out”. this happens when the temperature of the cloud is below freezing, but the water drops are not. ice forms in the cloud. the water drops around the ice dry up. this leaves behind a hole in the sky. sometimes, a rainbow can form.

Explanation:

The paragraphs describe the appearance of a hole - punch cloud and the scientific process of how it forms, which is an event in nature.

Answer:

D. They explain how an event in nature happens.