For karalu and firealpha only pls ty

The meseta in spain is a a. navigable river b. castle c. coastal plain d.plateau

Fossils of glossopteris, an extinct fern, were discovered on which continents to support the theory of continental drift? check all that apply.

Explain the reason for having an equator and a prime meridian. how do these two lines us to navigate our world? describe your opinion in at least two to three sentences.