I believe the correct answer is D. 4'33''.
It refers to his composition which lasts for four minutes and 33 seconds. It is rather controversial because there is no music at all - John Cage performed this before his confused audience who didn't know what was going on. Cage wanted to show that any sound in nature could be considered music, even if no actual instrumental sounds are made. So Cage just sat in front of his audience, without making a sound for 4 minutes and 33 seconds.
Not sure if there is supposed to be a static answer for this, but many artists develop form through inspiration that they see. Many forms of art that we use in the modern age derive from other forms that have been around for centuries. Other artists use nature as a form of inspiration.
The answer Is drums and piano
The answer is A-Medical professionals
Orange? I’m pretty sure the outcome of combining the colors would be orange
