What will happen to the passengers sitting on a train if the train comes to a sudden stop?

Their organs will smash into their ribcage

Explanation:

they would be sent forward/ whatever direction the tarin was going.

Explanation:

let's say the train is moving 20 mph

Therefore everyone/ everything in the train is also moving 20 mph. If the train just went to 0 mph. everyone would still be going 20 mph.

and after water is usually warmed by the sun the water temperature raises and then evaporates .

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.