Question

what are the continents considered to be a part of? the lithosphere the core the hydrosphere the asthenosphere

Explanation:

Continents are large land - masses. The lithosphere is the rigid outer part of the Earth, consisting of the crust and the upper mantle. Continents are part of the Earth's crust, thus they are part of the lithosphere. The core is the innermost part of the Earth, the hydrosphere is all the water on Earth's surface, and the asthenosphere is the semi - fluid layer beneath the lithosphere.

Answer:

the lithosphere