Best describes the marks in the image is D. down down up down up down
A strumming pattern is a preset pattern of down and up strokes played with your fingers or a pick against the strings. The strumming pattern will determine the rhythm for your music.
Applying The Strumming Patterns: You've now got five basic strumming patterns to use. It may take you a while to get them down perfectly, but once you can play these patterns and understand the Constant Strumming Technique, you'll be closer to being able to pick out the strumming patterns in your favorite songs.
To learn more about The Strumming Patterns, refer
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