Which is evidence that supports the dynamo theory?
(apex)

a.) earth's core contains mostly iron and nickle.

b.) silicon is a conductive material.

c.) convection occurs in the mantle very slowly.

d.) iron does not conduct electricity.

Which of the following are characteristics of the boers? select all that apply. distrustful of the british won the second anglo-boer war used enslaved africans lost land to great britain because gold was found allowed to keep their country