All Acronyms. CTA - Control Terminal Agency [Internet]; April 13, 2017 [cited 2017 APR 13]. Available from: https://www.allacronyms.com/CTA/Control_Terminal_Agency.
There are almost 120 known elements. For example, you are made up of billions of billions of atoms but you probably won't find more than 40 elements (types of atoms) in your body. Chemists have learned that over 95% of your body is made up of hydrogen (H), carbon (C), nitrogen, oxygen, phosphorus (P), and calcium (Ca).
How Many Languages Are There In The World. There are more than 7000 different languages are spoken by the people around the world today. Anyhow 90% of these languages are used by less than 100,000. If you ask a question, how many languages are there in the world, it can be answered with the number 7000+.