Rearrange the following sentence parts to form a meaningful and grammatically correct paragraph:
P. He collected water from a stream into a pot and placed it over a fire.
Q. He brought the water to a rolling boil for several minutes, killing all the pathogens.
R. He took a drink of the clear, safe water, his thirst finally quenched.
S. He allowed the water to cool, then poured it through a cloth to filter out any sediment.
Show answer & explanation
Correct answer: A
Explanation
The logical sequence of events for purifying and drinking water is as follows:
First, one must collect the water and prepare to heat it (P).
Next, the water is boiled to kill pathogens (Q).
After boiling, it needs to cool and be filtered to remove sediment (S).
Finally, the clean, safe water can be consumed (R).