Researchers from Columbia University Medical Centre in United States of America have converted which of the following into the world’s smallest data recorder?
In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
The average age at which(A)/people die of heart diseases(B)/are decreasing.(C)/No error(D)