What type of energy is playing the piano A. light
B. Thermal
C. electrical
D. mechanical
E. sound

Option E is your answer ☺️

let that person have a turn to speak : )

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.