Accident was caused by what
Ask google mam.............
<span>The National Science Foundation (NSF) is the organization which </span><span>developed a network called CSNET to provide a network free to all American research and educational institutions. It is an agency in the government of the United States that is responsible for research and development in the field of science and engineering. </span>
Explanation:
People have feelings and emotions because evolved emotions as ways of helping us to rapidly reorganise our mental and bodily resources to help us prepare for anything the world might throw at us. During our lives, each of us experiences millions of emotional reactions either consciously or unconsciously.
Hope this helps
Roadway system would be the ebst choice