1,4 describes the location of the playground, if im wrong oh well
Alpheus Babcock developed the one-piece cast iron frame for piano.
<h3>What is a piano?</h3>
Piano is a musical instrument, having black and white notations of different tones. A person who plays a piano is known as a pianist. The structure of pianos has evolved over time.
The most important evolution in the history of pianos was made in 1825 when Alpheus Babcock introduced a one-piece cast iron frame for pianos.
Hence, option D holds true regarding the crucial development in the history of piano.
Learn more about piano here:
brainly.com/question/13472344
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Answer:
"they hate my skin but in love with taco tuesday"
Explanation:
Great me, and How are you
