Answer:
What would make communication better would be if the had some sort of system to tell mass amounts of people what is happening, such as a speaker. It would communicate everything much easier and help!
Explanation:
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I would say the answer is A. Dimitri made the modern periodic table, not chemical symbols, and generally compounds do not have the same properties, for example water which is made of 2 gases.
It will be b because I’m saying so lol but it’s b 4.00
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