Question

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

Explanation:

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and the uppermost mantle. Continents are part of the Earth's crust, which is a component of the lithosphere. The asthenosphere is a semi - molten layer beneath the lithosphere. The hydrosphere refers to all the water on Earth (oceans, rivers, etc.). The core is the innermost part of the Earth (composed of the outer and inner core).

Answer:

the lithosphere