Animation is a literary art form because it's a visual art form that represents stories and characters through painting, puppetry, photography, film, or other forms. Animation usually has unique visual effects and dynamic effects that can attract and convey the emotions and thoughts of the audience. In addition to visual arts, animation can also include music, text, comics, and other forms of interaction to convey the same emotions and ideas.
The 17th and 18th episodes of the anime "Acceleration World" were the first few volumes of the novel. The specific chapter numbers were as follows:
Chapter 1-Chapter 5, Volume 1 of "The World of Acceleration"
Chapter 2: Chapter 6 to Chapter 9, Volume 2 of The World of Acceleration
Chapter 3: Volume 3, Chapter 10 to Chapter 12
[The World of Acceleration, Volume 4, Chapters 13 to 16]
5. Volume 5, Chapters 17 to 18 of "Acceleration World"(18 episodes)
It should be noted that these numbered chapters may change with the update of the novel. For specific situations, you need to refer to the latest version of the novel.
Tanjiro might use his sense of smell to detect hidden threats. Since his sense of smell is super - enhanced, he could sniff out any demons or traps in the way of saving Rengoku. For example, if there are demons disguised as allies, Tanjiro would be able to tell by their scent.
Whether or not the 40th episode of The Legend of the Demon God would be updated after the update depended on the production company. If the company decided to continue producing the Demon God animation, they might continue to release new content in the future updates. If the company decided to stop producing the Demon God animation, they might not release any new content in the future updates. However, under normal circumstances, the production company of The Legend of the Demon Gods would release updates regularly so that the audience could understand the latest plot and content.