Parent use. If they aren't taught to use seat belts, then they won't wear seatbelts
Answer:
When two or more people answer a question, you have the option to mark one as brainliest, meaning that the person who answered the question was more detailed or whatever the case may be. You scroll down and there will be a crown. Click it. Then, the answer is marked as brainliest!
Protect contents from contamination
Maintain necessary internal atmosphere characteristics
Provide a tamper resistant seal
Appropriate for the item being packaged
its considered a muscular exercise