A rock that contains enough metal in it for it to be economically viable to extract the metal is called an ……………..A:awB:orC:rockD:ore

The correct answer to the question is D: ore.

An ore is a type of rock that contains sufficient minerals with important elements including metals that can be economically extracted from the rock. The value of the ore is determined by the concentration of the desired metal and the cost of extraction processes. Extraction is typically achieved through mining, and the resultant metal can be used for various applications in industries ranging from construction to electronics. Ores are categorized into various types depending on the metal they contain, such as iron ore, copper ore, and gold ore. The significance of ores in the economy is substantial, as they are a primary source of the essential minerals and metals utilized in modern technology and infrastructure.