The overall specific gravity of the earth is much higher than the specific gravity of crustal rocks which means the earth is about twice as heavy as the rocks on the surface would suggest. Iron meteorites are thought to have the same composition as the average earth, and the meteorites contain a lot more iron than the Earth's surface rocks.
An individual sector of <span>Integrated Resource Management will provide an Impact Statement that provides the potential effects of a project on an area's resources.
Answer: A. </span><span>Impact Statements</span>
They are made up of mainly hydrogen and helium. They are called the gas giants