Hi there!
So basically... A is true because any type of jewelry could cause contamination, B is true because don't stones tear gloves?! C is also true because who says you can't wear your wedding band... right? This leaves us with D. Next time I recommend you to slash the trash. Use the process of elimination. It helps! Hope this answer has helped you. Have a great day.
The benefit of observational learning is when you learn by the experience of others. It can help kids improve on behavior(EXAMPLE) If a child sees and adult being kind and compassionate, they may learn from that trait. It also helps memory. They retain the information and mimic what they see.
Hope this helps!
There is no options to choose from
The answer is True its mentioned that in 1999 they used it as a technique