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.
The scientific investigation is the systematic approach of the scientists to answer the questions about the world. It is applied almost all of the theories including the Theory of Natural Selection. Darwin's theory of evolution is a result of scientific investigation. In this theory, they investigate by observing the distribution of species.
Answer:
Foreign objects that the industries produce
Explanation:
They can give off harmful gasses, and are the ones who make plastic and other junk that gets in the ocean.
The awnser is true the fed is part of the U.S gov and the gov is a private thing