Answer:
d. Applied research
Step-by-step explanation:
Applied research refers to scientific study and research that seeks to solve practical problems.
The problem-solving process can be defined as the systematic approach used to identify and determine the solution to a particular problem.
Basically, applied research plays a significant role in proffering solutions to day-to-day problems encountered by various individuals or organizations in different fields such as medicine, telecommunications, engineering, and other areas of life.
Hence, an applied research is used by researchers to develop innovative technologies, cure various diseases and illness, as well as the other day-to-day problems.