A suffix is a bit of speech that gets attached at the end of a word to modify it or to make it into a related word. For example, you can attach -er to the end of a great many verbs to get a word meaning "person who does X"
The correct option is B.
From the passage given above, it can be seen that the main theme of the write up is the cottage. The sentences given in number 3 to 6 provide supporting details to the main theme by providing information on the things that can be seen in the cottage and their locations.
Answer: The Benin plaques hold the most unique place in the history of relations between Africa and West Europe because they are actually made of brass, not bronze.
Explanation:
An argumentative paragraph describes a paragraph in which the author hopes to change the mind of the reader on a previous claim.
In option A, the paragraph tries to convince the reader that the Benin plaques were actually made of brass not of bronze which would appear to be a prevailing view thereby making it an argumentative paragraph.
Of those four options, only 'each' takes a singular verb; the others require a plural verb.
'is' is a singular verb