The answer is d
now you can mark him/her
Each element has its unique properties, each contain a different number of protons and neutrons giving it its own atomic number and mass number
Explanation:
silver is (uncountable) a lustrous white metallic element, atomic number 47, atomic mass 10787 symbol ag while iron is (uncountable) a common. inexpensive metal often black in colour that rusts is attracted by magnets and used in making steel
Answer:
In desperate need of soldiers to help with the invasions, Rome hired mercenaries to defend its borders. According to some historians, many were Germanic warriors who did not feel loyalty to Rome. ... The most evident factor of the Roman Empire's fall was the invasions.
Explanation:
Mexico had declared its independence from Spain. With that being said, Spain had a war that lasted 11 years with them. After one town had declared independence, they started to spread as they had recruits coming in from everywhere. Finally, a Spanish soldier had joined in 1820 and brought an army to Mexico city, eventually capturing it.
One year later, Spain agreed to terms.
