2. Although Beethoven became completely deaf by the age of during the last years of his life, he continued to write some of his
were produced during this period.

Depends on the question but he went deaf around 44 to 45

Explanation: He noticed loss in hearing around the age of 28 and when he was around 44 to 45 he had completely gone deaf.

answer; i believe that the correct answers are ///train hospital staff on how to use new machinery and design an artificial lung that could be implanted in humans;

b energy transmission, d energy distribution, and e energy education