A. Subject directories
B. Search engines
C. Meta-search engines
D. Discussion groups
✅ The correct answer is option A.
Subject directories tend to house fewer�sometimes more relevant�sites than those found through search engines. Sites in a subject directory often have been handpicked by editorial teams or specialists in a particular field.
Subject directories tend to house fewer�sometimes more relevant�sites than those found through search engines. Sites in a subject directory often have been handpicked by editorial teams or specialists in a particular field.