What is the role of heat in processing raw materials from within the earth?
A. It is used to form and remove material.
B. It is used to create sharp edges.
C. It is not used in processing raw materials.
D. It is used to produce new raw materials.
Answer:A
What is the role of heat in processing raw materials from within the earth?
A. It is used to form and remove material. B. It is used to create sharp edges. C. It is not used in processing raw materials. D. It is used to produce new raw materials.