Answer:
c. development.
Explanation:
When the scientific / technological research is over and the results of this research are positive and applicable to several sectors or to a single productive sector, it is time to start the development phase.
This phase uses the results of the research to develop a new technology, or to improve a process that will greatly improve a productive, technological, social or even scientific sector.
In summary, we can say that development is a research activity that begins after positive research results are available and tries to turn those results into useful commercial applications.
