Answer:
convex lens
Explanation:
An image is form in retina with light rays converging most at cornea and upon entering and existing the lens.Rays from top and bottom of the object are traced and produce an inverted image on the retina
The emissivity of the earth is 0.5
The emissivity of the earth is calculated by the Stefan's law

Drier air Overland then water BR &/BR are the answers so the second one the second I’m in the first option