Which of these is most likely to make it difficult to keep up when playing vigorous sports and games

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d