Answer:
C19 been spreading like crazy in schools but government does not care schools are so lost as well as students its actually depressing
 
        
             
        
        
        
<span>d. symphonies</span><span>
A composer who combined jazz and classical music into a new sound in the 1920s was George Gershwin (1989-1937). He was american pianist and composer. He studied classical music, but later he got interested in popular music genres, and used to compose operas, film music, concerts and symphonies. Gershwin strongly influenced many musicians, and he is considered to be a first exponent of the symphonic jazz genre. His most famous works are orchestral compositions Rhapsody in blue (1924) and American in Paris (1928), as well as opera Porgy and Bess (1935).</span>
        
             
        
        
        
The answer is (d.) choose only the visuals that are easily understood.
The main purpose of the visual aids is to help improve the understanding of the audience to the presentation. It clarifies and reinforce the key points of the topic. So it's important to choose the appropriate visual that could help the presentation easily understood.
        
             
        
        
        
Answer:
Focal Point? I could be wrong
Explanation: