The Earth's mantle is very important. It is important for the Earth's crust evolution, as well as being the provider of thermal and mechanical forces for plate tectonics. The mantle is what covers the most part of Earth inside if it is not there, then the heat of the core will burn the Earth's crust. And the mantle does make up 84% of Earth's volume, so that wouldn't be good!
I think you forgot to give the options along with the question. based on my assumption and knowledge, i am answering the question. The time it takes to transport goods has decreased over time, causing trade to increase. I hope that the answer has come to your help.
Answer:Mini steel plants are smaller, have electric furnaces, use steel scrap and sponge iron. They produce mild and alloy steel of given specifications. An integrated steel plant is large, handles everything in one complex; from putting together raw material to steel making, rolling and shaping.
Explanation: I think