According to sources, the most probable answer to this query is that poor delivery service if not well executed can have various effects on the social, economic and environmental problems. Such as increasing the cost value and reducing efficiency (economic), reduce consumer (social) and increase waste (environmental) production.Thank you for your question. Please don't hesitate to ask in Brainly your queries.

6/6 is considered as 1 [ full fraction / whole number]
so that leaves us with 1/6
So, it's 1 1/6
Uniformitarianism- the theory that changes in the earths crust during geological history have resulted from the action of continuous and uniform processes
Answer:
Buhari is the President of Nigeria