Answer:
Explanation:
While every case is unique, the most common causes of train accidents include: Negligence. Human error. Reckless pedestrians and drivers.
...
Negligence. ...
Human Error. ...
Reckless Pedestrians & Drivers. ...
Mechanical Failure. ...
Speedy Trains. ...
Defective Tracks. ...
Derailments. ...
Unprotected railroad crossings.
Answer:
Sammi is very optimistic while Luck is pessimistic.
She (Lucy), has already given up that there is nothing she can do to convince the teacher to give he a pass, in the other hand, Sammi believes she can do it.