I believe it’s unified :)
Answer:
Ancient Greeks made many influential contributions to western civilization such as in the areas of philosophy, art and architecture, math and science
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Answer:
The answer is "both". Its a plural indefinite pronoun.
Answer:
it is a natural thing that humans have
Explanation:
its like an other sense
Answer:
The beatles song 'yesterday' was originally called 'scrambled egss'
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Hope this helps :)