Alright, basic research basically means finding out an answer to fill in the knowledge that people don't have or we have while applied research basically means to seek the question with an answer and solve the problem. hope this explains it :))
I think its A <span>US naval battleships
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"talking pictures or sound films
The commercialization of sound took place in the 1920s. Sound films originally included synchronized dialogue and became known as ""talking pictures"" or ""talkies."" All of the original talking pictures were film shorts. Before the introduction of ""talkies,"" all motion pictures were silent except for those accompanied by a live musical orchestra."