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
You should stop so you don't do serious damage.
Answer:
Behavior learning
Explanation:
Learning is the process of acquiring new knowledge or modifying existing ones. In psychology, there are different learning theories. Cognitive, behavioral among others.
Behavior learning is the theory that focuses on learning based on past experiences and connections formed. The behavior are therefore conditioned through interactions with the enviroment.
The response to the environmental stimuli will shape the action hence learning occurs.
To prevent fatigue from affecting your driving, you should take regularly scheduled breaks such as every two hours or every 100 miles. The term fatigue explains that the driver is "sleepy,” “tired,” and "exhausted". Fatigue is one of the major reasons for accidents, because it can lead to impaired reaction time, judgment and vision and d<span>ecreased performance, vigilance and motivation.</span>