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'.
Those sort of people (A)/are always nice(B)/to you on your face.(C)/No error(D)
Methane is a greenhouse gas that has 23 times adverse effects on climate than carbon dioxide. Methane is that greenhouse gas which is produced by the raising of cattle. On an average a cow can produce 80 - 120 kgs of methane in an year.