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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Answer: its A or C
most likely C
Explanation:
Continued conversion of Brazil’s tropical forests to farmland and urban sprawl won’t just make things difficult for the Brazilians who depend on the forest; it will also limit the Amazon’s ability to function as the “lungs of the Earth” that help regulate the Earth’s climate. But it’s not all bad news.
Answer:
He became a leader in the abolitionist movement before and during the Civil War
Explanation: