What is one way that early humans communicated?
ASocial media
BSmoke signals
CTelephones
DEmails
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Related Questions:
Which of the following is / are solutions highlighted in the passage?
I. More focus on dryland agriculture research.
II. Extension of insurance coverage to all crops.
III. Promotion of conservation farming.
Game theory can be applied to which of the following real-world scenarios?
Garbage can create havoc to mankind by:
From the passage, we understand that George Washington was a man:
Which word in the passage means 'a wet land' ?