The outer structure of the earth is made up of the following except? by Sunday | Jan 28 | Geography JAMB | 0 comments A. Mesosphere B. Atmosphere C. Biosphere D. Hydrosphere Correct Answer: Option A – Mesosphere Users Also Read These:The earth is not a perfect sphere because its…The earth is four times the size of the moon and the…The tilting of the earth's axis and the revolution…What is the escape velocity of a body on the surface…The angular distance of a point of the earth surface…