Depends what you mean by form, but I would say the most commonly used is Social Media like Fb, Insta, etc.
B) The teacher explained the rule, but the student still didn't understand.
A comma goes before a fanboy (for, and, nor, but, or, yet, so)
Answer:
Well, it's impossible to know the source of illegal parking and reckless driving. But, we can think of average sources of this and get a accurate estimate. So, I'd think it's texting on not focusing on the road for reckless driving, and not paying attention and being in a hurry for illegal parking.
Explanation:
I think this because mostly we can estimate that most accidents on the road come from texting and driving, as well as not focusing on the road. For parking, its just probably people in a hurry, so i have nothing to say for that one.