The earth is enveloped by a mixture of gases referred to as the? by Sunday | Jun 13 | Geography WAEC | 0 comments A. biosphere B. lithosphere C. mesosphere D. atmosphere Correct Answer: Option D – atmosphere Users Also Read These:Which of the following landforms may occur when…A heterogenous mixture can be defined as any mixture?The mass and weight of a body on earth are 8kg and…To obtain pure carbon(ii)oxide from its mixture with…A form of carbon used for absorbing poisonous gases…