Then, the core made of iron and other metals. crustal

mantle

outer

inner

What is the difference between external & internal migration

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

Which anatomical feature would you expect to find in the fossil remains of a nocturnal species?