Answer:
Printing press. Light bulb. Airplane. Personal computer. Vaccines. Automobile. Clock. Telephone.
Hope this helps, have a great day/night, and stay safe!
determination
Explanation:
has -ation at the end
choice a
Explanation:it would make sense if you say he dinosaurs have gone extinct, but we still don know the reason for their extinction. hope this helped. have a nice day!!
No it is no a slang , it is not that informal.
