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
My Answer would be: false, because the abdominal cowbird communicates with the paracolic gutters on the abdominal wall.
Hope this helps.
Answer:
bring the family together and have lots of fun memories before having to grow up.
Explanation:
please give brainly!!!!!
They vary but l<span>ead, carbon monoxide, and sulfur dioxide are some of the most common ones that have decreased the most </span>