4:51 AM

Technology is something that is constantly changing. Using the resourses in links and suppliments, conduct a search for 15 advancements that have been made since 1900. Describe in a sentence, and in YOUR own words, how these changes affected society in their time. Make sure to list your references at the end of the blog.

1) One advancement was the stop lights because without that alot of cars would be hitting each other on a daly bases.
2) Secound would be Central AC System because back then people had to use old fastion fands which dident keep people as cool as it dose today.

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