Contour lines on a map display the differences in elevation. Hope this helps
Of tha irrationally is the set of natural numbers in the maths and field class and field of science in the sun and field of the class
Economic growth 10% / year
Answer:
The factor that was most important in controlling the distribution of copper mines in the u.s. versus iron mines in the great lakes region were: different ages and geologic histories of the rocks.
Explanation:
- United States, especially North America is very well known for the copper mines where as iron mines in the great lakes region is for the mining of iron.
- It was very important for them to control the mining process because the ages of the raw materials were contrasting. Similarly the the history and the geography of rock also aided for the factor in the mining process.