What you know about the seat belts?
where we sit and then we belts upon it
1 stanza ho jaye
; ay dil e nadan tujhe hua kya hai
; aakher is dard ki dua kya hai
If you have airbags in the seat backs, yes. If not there are wires for the seat belts that the airbag computer watches to know if you have buckled up. If you have airbags in the seat backs, yes. If not there are wires for the seat belts that the airbag computer watches to know if you have buckled up.
Some school buses do have seat belts throughout the entire bus. For the most part, buses do not have seat belts. They tend to have seat belts in the rows closest to the front end. It depends on the town, village, city, that owns the buses. Some places make them regulation to have entire buses full of seat belts, while some don't have any. Bus drivers usually have seat belts, being drivers.
Children up to certain weights are required to be in car seats that are held in place with the seat belts in most states. After they reach a certain weight, they are required to wear seat belts, so not only can children wear seat belts, after they no longer are required to be in car seats, they are required to wear a seat belt.
This question sounds like home work, and as I don't know what your teacher is looking for here is a primer: Seat belts must meet government specifications These detail strength and life time minimums The car maker can use spaghetti if he wants as long as the belts are strong enough and last the # of years required.