Which displays Earth’s curved surface on a flat model?

Map Projection

Explanation:

a map is a flat representation of earth's curved surface. however transferring a curved surface to a flat map results in a distorted image of the curved surface. the three-dimensional curved surface of a globe is called a map projection.

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.

no sé si entiendes español pero te daría la respuesta si lo supiera, pero lo siento mucho