A. Because you can picture it while the others are harder to picture.
The answer is: Impromptu speeches require lots of research.
When you Impromptu, it means that it was not prepared ahead of time. Usually it requires stock information. Research could not be used in impromptu speeches as it is something that is done without preparation.
Answer:
contains
Explanation:
Each pack contains two books and six pencils
Answer:
Janice studied for her exam, therefore she did well.
Natural resources are dynamic cultural concepts because they need to process entities at several locations such as an operator performing tasks at more than one location.