To determine which situation would react faster based on surface area, we need to consider how surface area affects the rate of reactions. Generally, reactions occur more quickly when there is a larger surface area available for the reactants to interact. This is because more particles are exposed and accessible for collisions, which increases the likelihood of reaction.
Thus, the correct answer based on the information provided would likely be:
d. Example B would be faster because of a high surface area.
However, without specific details about Example A and Example B, this answer is based on the common understanding of the effect of surface area on reaction rates. If Example A has a high surface area, then the answer would be different. But in this context, since we point out the significance of high surface area for faster reactions, option d aligns with that principle.