Which of the following is not most suitable in chain survey?
irregular slopes
rocky environments
embarkment areas
plain topography
Correct answer is D
answer is D, all other options are wrong because they are not too suitable for chain survey to their land forms(topography)
Plain topography is the most suitable in chain survey because in chain survey, the only instruments required are a pair of compass and a scale rule. On the plain topography there is no bend or contour which makes the setting of compass easy and chain throwing not be stressful
sand
sand loam
clay loam
clay
Correct answer is D
No explanation has been provided for this answer.
Cameroon
Kenya
Ghana
Nigeria
Correct answer is D
Shiroro dam is located in Nigeria at river Kaduna
Cameroon has the Edea dam, Ghana has the Akosombo dam while kenya has the seven forks dam in river Tana in Kenya
Pipelines
Transmission lines
Roads
Rope ways
Correct answer is A
Pipelines carry petroleum products and when damaged, spillage occurs. They are also not flexible as their paths are specific and also are made of metals which is very costly.
Transmission lines carry electric power, roads are flexible, rope ways are not expensive to construct
Dependency ratio is determined by
rate of natural increase
age structure
net migration
sex composition
Correct answer is B
No explanation has been provided for this answer.