Question

question 19 of 20
a student is asked to conduct a search on climate change and the contribution of greenhouse gases. the student, however, would like to avoid results that explain how a greenhouse works.
which boolean search would return the most useful results?
a. using and between the search terms: greenhouse and gases
b. using quotation marks around the single word \greenhouse\
c. using or between two keywords: greenhouse or gases
d. using not before a keyword: greenhouse not gases

Explanation:

The student wants to search for climate - change and greenhouse gas contributions while avoiding results about how a greenhouse works. Using "AND" between "greenhouse" and "gases" will focus on results related to both, which is relevant to the study of greenhouse gas contributions. Option B just focuses on the word "greenhouse" alone. Option C using "OR" will give results that include either "greenhouse" or "gases" which may be too broad. Option D using "NOT" will exclude results with "gases" which is not what the student wants as they are studying greenhouse gases.

Answer:

A. Using AND between the search terms: greenhouse AND gases