What I Have Learned The Sum It Up Challengel Let us frame the concept. Fill in the blank to complete the statements in the paragraphs. Sound is about (1) It is an example of a (2) wave. Sound being known also as a mechanical wave needs matter in order to travel. This matter is better known as (3) Sound can travel in (4) (5) __ and (6) But it cannot travel in a (7)_ Sound move (8) in solid and (9) in gas, There are three factors that affect the speed of sound
