Answer:
A). Candy bars OR calories.
Explanation:
The most effective search term for a research question regarding the nutrition of candy bars would be 'candy bars OR calories' as the use of Boolean operator 'OR' helps in combining the keywords with it to produce more efficient and relevant results. It also aids in organizing the search by broadening or narrowing the search results with the different combinations of keywords and operators. The search term('candy bars OR calories') produces the complete nutritional details like calories and other nutrition offered by per 100grams of a candy bar. Thus, option A is the correct answer.
