D. research towards preventing and curing disease.
hope this helps!
The thing that they should do in that situation is: <span>you must slow to the slowest speed at which you can safely steer your vessel.
The law enforcement probably want to do a quick checkup to you and you could only proceed after the officer clear you out from potential violations</span>
Your answer is B thank you and please mark brainlist
Answer:
They go to open spaces to avoid getting crushed by falling objects like collapsing building and trees.