The underground water and its drinking can affect health very badly. As underground water came from a septic tank, dysentery can easily be caused.
Explanation:
Underground waters can have a bad influence on plants also, and every living thing. As the water goes from the septic tank to well, toxins can be released and poison the water.
The correct answer is B. He is cruel. Grendel is introduced as a bloodthirsty, evil monster. He is a lonely creature who seeks an understanding of the seemingly meaningless world around him. He kills men consistently in the town's mead-hall, ripping them apart. Grendel is shown as evil because he kills passionately.
