14. C
15. B
16. D
17. D
18. I am not sure sorry.<span />
Explanation:
The discovery of tin cannot be traced to a single person. Instead, tin was uncovered at the heart of the Babylonian civilization. Artifacts dating about 3500BC have unearthed in ancient Ur in Mesopotamia. This is Iraq of today.
Tin predominantly was used as an alloy during this point in time.
Tin is a chemical element symbolized as Sn and with an atomic number of 50.
Learn more:
Element brainly.com/question/1781595
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Answer:
4.43 Liters
Explanation:
100 g of carbon dioxide = 54.47 liters of carbon dioxide
54.47 / 100 = 0.5447
8 x 0.5447 = 4.43L
Fluorine is the answer.<span />