I think the correct answer is D
True. The crust of the Earth has some permanent magnetization, and the Earth's core generates its own magnetic field, sustaining the main part of the field we measure at the surface. So we could say that the Earth is, therefore, a "magnet."
Answer:
Gas
Explanation:
Liquids have a fixed volume but no fixed shape. Gases have no fixed volume and no fixed shape.
Answer:
Calculate the age of an object by finding how much carbon-14 remains in the sample