A narwhal's tusk is actually a protruding canine tooth(I guess all animal tusks are actually teeth, but it's still pretty cool). In addition to this, the horn can grow to be as long as 9 ft. However, scientists are not yet sure if the narwhal's horn actually serves any real purpose.
Answer: Haya~!
The correct answer is C) Truman decided to drop the atomic bomb on mainland Japan.
The fighting in Iwo Jima and Okinawa affected the Allies' Pacific strategy in that Truman decided to drop the atomic bomb on mainland Japan.
On August 6, 1945, United States President Harry Truman authorized the dropping of a nuclear bomb over Hiroshima, Japan. The explosion killed 180000 people. On August 9, Truman ordered dropping another nuclear bomb, now in Nagasaki, Japan, jilling other 100000 people. The radiation produced by the bombs damage other thousands of people closed to these areas.
Explanation: I took the test
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Thomas Edison's invention of the light bulb changed American life tremendously. Thomas Edison was known for inventing what is called the light bulb, and that made a huge impact to have Americans live on a daily basis. Americans had a hard time seeing things in the dark, which caused a lot of complications when it comes to completing tasks or just going through and out buildings. Because of this invention, Americans could easily see things when inside a house, building, and when it's night time. The light bulb gave light so people can do tasks without having to do them in the dark. Without the light bulb, it would be very complicated to do things in the dark, and people would have a hard time going through the night or dark places.
D and C. he grew up o n a farm soo..