The following sentences form a paragraph. The sentences are numbered as P, Q, R, S and T. These five parts are not given in proper order. Read the sentences and choose the alternative that arranges them in correct order.

P. If scientists are right, the lower third of the state will be underwater by the end of the century 

Q. From rising seas to contaminated drinking water, more frequent and powerful hurricanes, coastal erosion, flooding and vanishing wildlife and habitat

R. Few places on the planet are more at risk from the climate crisis than south Florida

S. Yet despite this grim outlook, scientists, politicians, environment groups and others are tackling the challenges head on

T. Where more than 8 million residents are affected by the convergence of almost every modern environmental challenge