Answer:
Believe that the scientific answer would be that it is most likely placebo, tricking your mind to think that it is going to help you achieve something so you unconsciously work to achieve what is promised without the subliminal being actually effective.
It keeps us healthy and active. Without water you can become dehydrated and eventually run out of energy.
Answer:
1920s and 1930s,
Explanation:
it's worth reiterating that helmets were not mandatory. That wouldn't happen until 1943. During the 1920s and 1930s, variations of the leather helmet appeared, but in 1939, the game changed –or at least became safer– when John T. Riddel introduced the first plastic helmet
