Research shows that the mixture of Front air bags and seat belts can reduce the risk of death in a collision by up to 80%.
<h2>Front airbag :</h2>
Frontal air bags are generally designed to deploy in "moderate to severe" frontal or near-frontal crashes, which are defined as crashes that are like hitting a solid, fixed barrier at 8 to 14 mph or higher. (This would be like striking a parked car of similar size at about 16 to 28 mph or higher.)
<h3>What a safety belt is and how it works?</h3>
A safety belt is a strap that fastens a rider to a moving vehicle and prevents him from being thrown out or against the interior of the vehicle during sudden stops. the primary patent for a restraining belt designed to protect passengers in road vehicles was granted to E.J. Claghorn in 1885.
Learn more about prevention of accident:
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Two people who have chosen to be friends for over 30 years is an example of a group that is both primary and voluntary.
Answer: Option B
<u>Explanation:</u>
Primary groups are the groups which have most importance in our lives. The people who are a part of this group are the closest to us and are our friends and families.
The voluntary groups are the groups which we form on our wish and will and not have been given to us without our wish. So the friend who has been in our life for more than thirty years is one of the most important people of our life and has huge emotional importance for us.
