B and D – wrong – subject of is different from subjected to. The books are subjected to humid weather or extreme temperatures. Books cannot be subject of humid weather . ‘Those’ doesn’t refer to anything in B.
E and D are wrong. The meaning conveyed is different when you say because the weather is humid in Europe. Although should be used because the author is trying to bring a contrast even though the weather is humid in Europe.
C is wrong. It ends with ‘temperature and humidity as
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E and D are wrong. The meaning conveyed is different when you say because the weather is humid in Europe. Although should be used because the author is trying to bring a contrast even though the weather is humid in Europe.
C is wrong. It ends with ‘temperature and humidity as
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