HELP PLZ! Which is evidence that supports the dynamo theory?

A. Convection occurs in the mantle very slowly.
B. Silicon in a conductive material.
C. Earth's core contains mostly iron and nickel.
D. Iron does not conduct electricity.
Science A p e x

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Describe the two types of vascular tissue

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]