<span>The sentence where the semicolon is correctly used is the fourth option, letter D., I have a bicycle; I'll be riding it later today. A semicolon is used to join two ideas or more in a sentence. Example: I love mangoes;however, I hate it when it's not ripe. Semicolon connects related ideas.</span>
Not sure if you're given actual answer options but from what I can see, I can conclude that the answer should be auditory :) hope this helps!
Answer
On August 6th the US Air Force dropped an Atomic bomb on the Japanese city of Hiroshima. The city was destroyed and over 70,000 were killed immediately from the effects of the blast. Three days later a second bomb destroyed Nagasaki.