Answer:
From google:
A serious drawback of telegraph devices was that they lacked quality in communication, which is why when the telephone came about – invented by Alexander Graham Bell in 1876 –
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Answer:
Thebes (correct me if I'm wrong)
Alexander the Great and his army win the battle.
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Answer:
The global food system is facing daunting and complex challenges in ... Three key challenges facing agriculture and how to start solving them ... that will likely grow from 7.5 billion people today, to nearly 10 billion by 2050.
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Answer
D is the answer I think. I guessed
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