Bringing water in from different areas can cause diseases and medical problems. Unfamiliar minerals and vitamins, along with diseases and bacteria, can manifest the water. People or animals whom have not adapted to the water's different diseases and bacteria can catch these diseases and get sick from the bacteria. Natives, on the other hand, may have adapted to the water's bacteria, and the body changes in order to fight off the different bacterium.
Answer:
The President of the United States is the head of the executive branch.
Explanation:
The President gets help from the Vice President, department heads (called Cabinet members), and heads of independent agencies.
During the 16th to 18th century, Southeast Asia was a diverse region in terms of geography and culture. However, most part of it was governed by the Mughal state. In that time, there was a unified system when it comes to currency system, organization of the mint, taxation system, and maintenance of law and order.
I'm stuck between B and C, but i'd go with B. They have highly textured details and lots of colors. Hope this helps. :)