4
Which is the most relevant detail to add to the end of the passage?
A. The stock markets closed at an all time low.
B. There were no vacations planned for the summer.
C. There was no soccer game planned for the day.
D. There were no human casualties after the eruption.

1) Parícutin is considered one of the natural wonders of the world cinder cone volcano in the Mexican state of Michoacán. (2) A volcano is an opening, or rupture, in a planet's crust. (3) That allows hot, molten rock, ash, and gases to escape from below the surface. (4) An erupting volcano is a powerful force—swirling clouds of smoke and ash filling the sky, burning rocks flying through the air, lava smothering everything in its path. (5) The mysteries of such an explosion, coming from the depths of the earth, excite people across the world, which is precisely what makes Parícutin a natural wonder. (6) The earthquake measured 7.4 on the Richter scale. (7) It exploded out of a Mexican cornfield about two hundred miles west of Mexico City in early 1943, giving the modern world its first opportunity to witness the birth of a volcano.