PHYSICS 10 SCIENCE · 2026–27 · A · Multiple choice · QUESTION 17.4 · EM p. 136

Which Earth regions are associated with its field: crust/mantle, inner/outer core, lithosphere/asthenosphere or atmosphere layers?

ارضی میدان سے متعلق حصے: قشر/مینٹل، داخلی/خارجی کور، لیتھو/استھینو یا فضائی تہیں؟

Solution & explanation

Inner and outer core is the intended pair; the active geodynamo is moving electrically conducting liquid in the outer core, sustained by energy and influenced by rotation.

Independent study answer. Original textbook ↗ · English-medium printed page 136.