A I'm sure it's helps keep the button on slik is too soft wood would not help a smaller button wouldn't help so A is the correct answer
Answer: Stage Craft, Acting, Singing, Dance
Explanation:
F-A-B-F
The lines would be EGBDF
and the spaces will always be FACE
D is the correct answer.
In the badly drawn diagram attached, you will find the <em>yellow</em> represents wavelength, which is the distance between identical points on consecutive waves.
The <em>green</em> represents the amplitude, which is the distance between the origin (middle) and crest/trough (top/bottom)