Study the map extract on a scale of 1:50,000 and answer the following questions
(a) On the map extract:
(I) Print the letters shown in the brackets below on one example of each of the following features: Conical Peak (CP) Narrow River Valley (NRV) Even Slope (ES)
(b) Calculate the gradient of the minor road from the road junction in Sabongidda to the Church in Aviosi
(c) Describe the location and functions of uhomora
(a) Explain the term error of closure
(b) Highlight any four sources of error of closure in closed traverse survey
(c) Outline two meaures that could be taken to avoid an error of closure