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. The ice sheet melted at a near record rate in 2019, and much faster than the average of previous decades

Q. Equivalent to about 80 million Olympic swimming pools

R. Researchers have confirmed, in a study that reveals the loss was largely down to a persistent zone of high pressure over the region

S. Figures have suggested that in July alone surface ice declined by 197 gigatonnes

T. There was a dramatic melting of Greenland’s ice sheet in the summer of 2019