I think one of the most important achievements was the creation of democracy and of course their contribution in philosophy math science astronomy etc
Answer:
I believe the answer is C. many mining towns were abandoned when miners moved to new mines.
Explanation:
The name given to mining towns that were abandoned after all the gold was mined from the rivers and streams was ghost towns. These towns once were full of people that were there to exploit raw materials such as gold of coal. After that happened, people left the locations and headed to another place to find more raw materials. That is why ghost towns look abandoned. There are remains of houses and sone buildings, but the place looks deserted.
I hope I helped, please correct me if I'm wrong!
Shires . Hope this helped
Answer:
3
Explanation:
All of these teachings serve as guidelines on how to live your life, and how to act as a person. They can help you achieve salvation, but it's not a step-by-step guide
Answer:
It is a negative ion that has one more valence electron than a neutral bromine atom.
Explanation:
The bromine atom (Br) accepts one electron and forms the bromide ion (Br-), which carries a unit negative charge. Thus, the charge of the bromide ion is -1.
Bromine is corrosive to human tissue in a liquid state and its vapors irritate eyes and throat. Bromine vapors are very toxic with inhalation. Humans can absorb organic bromines through the skin, with food and during breathing. Organic bromines are widely used as sprays to kill insects and other unwanted pests.
Its salts are found in the crust at about . 4 parts per million. Bromine is only the 64th most common element on Earth. It is more rare than three quarters of the elements that comprise the Earth's crust
bromine is commonly found in highly un-reactive bromide salts - in much the same way that the poisonous green gas chlorine is commonly found in boring sodium chloride, table salt. ... Today, bromine is extracted on an industrial scale from salt lakes that are especially rich in the element, above all the Dead Sea
