ashwini86 wrote:
To this day, researchers and theorists debate whether bubonic plague caused The Black Death, a pandemic that swept the world in the middle of the fourteenth century.
Whether is generally used when we have alternatives , why is it a correct choice here
You are correct whether is used for alternatives and here it is no exception as well...
The researchers and theorists are debatingwhether the cause of Black death was Xor something else.........
In a debate there is bound to have a difference
...
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