Sequence the following sentences in a coherent passage.
$\text{P}$: This fortuitous geological event generated a colossal amount of energy and heat that resulted in the rocks rising to an average height of $4 \mathrm{~km}$ across the contact zone.
$\text{Q}$: Thus, the geophysicists tend to think of the Himalayas as an active geological event rather than as a static geological feature.
$\mathrm{R}$ : The natural process of the cooling of this massive edifice absorbed large quantities of atmospheric carbon dioxide, altering the earth's atmosphere and making it better suited for life.
$\text{S}$: Many millennia ago, a breakaway chunk of bedrock from the Antarctic Plate collided with the massive Eurasian Plate.
- $\text{QPSR}$
- $\text{QSPR}$
- $\text{SPRQ}$
- $\text{SRPQ}$