Answer:
B. Sustainability
Step-by-step explanation:
In simple terms, sustainability refers to the utilization of available resources in manner that will not compromise the ability of future generation to meet their needs using the resource.
The pillars of sustainability are economics for profits generation from the resource use, environmental that focuses on the well being of our planet Earth as we use the resource and the social people which deals with the interaction of humans with the resource.
As an engineer, you should advocate for sustainable engineering practices which are processes of using available resources in a way that will not affect the environment and avoid material resources depletion for future generations usage.
Answer choice A is incorrect because a prototype is an engineering design first applied to solve a problem or a challenge in this sector as a test before implementing the whole solution to solve a problem in the required dimensions.
Answer choice C, is incorrect because implication is a conclusion made from a case though the solution is not done with direct iterative calculations.
Answer choice D is incorrect because specification refers to documented set of requirements that needs to be satisfied by a design ,material ,good or service.