Question

The outer core is less dense than which of Earth's layers? A. crust B. inner core C. lower mantle D. asthenosphere

Answer 1

The outer core is less dense than the B.)inner core. This because there is more pressure on the inner core resulting in a higher density. This increased pressure even makes it solid versus the liquid outer core.

Answer 2

I would say (B). Inner core.

Hope this helps!