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
A seizure can be a sign of heart attack
Pulsing I believe is the answer you might be looking for
Answer:
I would say one is that you always have to be happy and another is that you have eat healthy all the time. Realistic expectations are that you aren't happy all the time and that you are sad sometimes another one would be that you eat healthy most of the time but have an occasional treat.
Explanation:
