It is harmful because motor vehicles spit out gas and like fumes. That can lead to pollution in the air.
It is beneficial because it helps people get to places they need to get to quicker
You have been assigned the job of convincing the local school board of the best means of making up snow days in your school district. Write a draft of your presentation. (IF YOU HELP I WILL GIVE YOU BRAINIEST!)
Tyrannosaurus Rex
Triceratops
Velocirapter
Stegosaurus
And many more, if you google dinosaur names many will pop up.
Hope this helps :)