They use it because a paper drawing doesn't really help if they want to know the full shape form or weight or anything like that
Ok, so, I have not read the lesson of course but this is an interesting middle school question. Maybe find a common pattern of angles and mention the most observed degrees of the angles (90 degrees, 60 degrees angels, ect.) I hope I can help in any way!
Answer:
I would say it's because they are more developed and have a lot of infrastructure
I would say that the correct answer from the choices given above is the former option. It would be H2O that exhibits london dispersion forces. It <span> is the weakest intermolecular </span>force<span>. The </span>London dispersion force <span>is a temporary attractive </span>force. Hope this answers the question.