Iron Forms About One-Third of the Earth's Mass,and Although It

question 61

True/False

Iron forms about one-third of the Earth's mass,and although it is much denser than ordinary rock,it melts at a much lower temperature.

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Definitions:

Derived Demand

The demand for a product or service that arises from the demand for another product or service. For example, the demand for steel is derived from the demand for cars.

Airbus

A European multinational aerospace corporation that designs, manufactures, and sells civil and military aeronautical products worldwide.

Commercial Aircraft

Airplanes designed and built for the purpose of transporting passengers and cargo commercially, operated by airlines.

Derived Demand

The demand for a product or service that arises from the demand for another product or service.