Is the process of learning about something previously unknown or unrecognized. historically, it involved unearthing natural elements or existing realties, such as fire or the true shape of the earth. a. invention
b. diffusionc. discovery
d. cultural advancement

Option C

Explanation:

Discovery is derived from the word, discover, meaning , to find unexpected, maybe during a research, or to come into light of something that is not common, unknown or yet to be made public, they are always in different fields and areas, be it technology wise, medically, socially or scientifically or in history.

Relating to the question above, it is also the process of learning, because new things calls for new knowledge about something previously unknown or unrecognized and as mentioned above,involves unearthing natural elements or existing realities such as medical sciences, technological advancement etc. It all speaks about to discovery, which means discovery

elastic potential energy