Mark the letter A, B, C or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange of text in each of the following questions from 13 to 17.

a. It is used for drinking, cooking, cleaning, sanitation and so on, all of which are essential parts of daily life.
b. Therefore, everyone needs to conserve water and also avoid wasting it to ensure that future generations have access to clean and fresh water.
c. In agriculture, water is even more important as it helps to grow crops and raise livestock, ensuring food security for many people worldwide.
d. Unfortunately, many regions are facing severe water shortages due to overuse, pollution, and climate change.
e. Water, necessary for all living things to survive, is one of the most important resources on Earth.