Answer:
Hmm, ok. Though what is the question...?
Answer: The sun will rise in the East,and will set in the West
Explanation:
The correct answer is B) The fact that they are the largest surviving collection of 15th Century English correspondence.
These letters are especially important for historians since as the largest collection of 15th century correspondence they provide ample details on all the social, cultural, political, legal, religious and economic mores of Medieval England. Additionally they are important with regards to the history of the English language as they are written in the language of the era which was quite different from Modern English.
An easy example of a cause for wasting water is:
Keeping the faucet on. Even when it's very little, or on for a short time, it still wastes a lot of water.
An effect for wasting water is losing it. Water on Earth may seem unlimited, but it isn't necessarily limited. Rain comes from clouds, and clouds come from water. Some of that can't be brought back, and therefore, that makes the meaning of wasting water.