Answer:
a=5
b=3
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An atom is in a stable form when its outer electron shell is full and electronic configurations having duplet structure means two valence electrons and octet structure means eight valence electrons have the greatest stability. Most atoms of elements have no stable configuration and to achieve stable configuration they react with other atoms to transfer, share or receive electrons.
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Synthetic materials, heavy metal, pollutants
Answer:
tornado, tsunami, lightning, power line down etc.
Explanation:
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Answer:
Another aspect of the colonial era that made the Native Americans vulnerable was the slave trade. As a result of the wars between the European ...
Explanation: