Answer:
The fluoride is what helps you avoid cavities
Explanation:
water fluoridation as safe and effective in preventing tooth decay for both children and adults
A relatively small blood pressure gradient is generally insufficient to move blood through the veins under given conditions, thus venous return must be facilitated by valves within veins and two "pumps." ... As skeletal muscles contract, veins are squeezed to help propel the blood toward the heart.
There is a huge amount of precipitation among the countries situated in the tropical region such as Hawaii or any other tropical island due to its climatic conditions. Since a tropical region receives heat from the Sun directly, the region would eventually be warmer causing more frequent evaporation causing rain.
Really it matters on which head you start the flip on. Whichever head you start with, there's a 51% chance to land on that one. If you start with heads, it would be 255 times.