PLS HURRY



Did you ever think about what sound is made of? Did you know that sounds move at a certain speed? Learning about booms can help you appreciate just how rapidly sound can travel. To understand the term sonic boom, you must first some scientific notions. You should realize that everything is composed of molecules. Even air-which may seem like made up of molecules Sound acts like a wave that shoves these molecules around Some air molecules compress, or move c together, while others spread apart As molecules move, they force other molecules to relocate. This movement allows sound through the resulting empty space. The speed of sound is the rate at which sound travels through this space Which best describes the purpose of the first two sentences of this paragraph? A to summarize the
paragraph's information ** B to engage the reader's attention ** C to conclude the paragraph's information (x D to provide supporting details for the main idea​