Highwall mining is often used when excavating an open-pit mine becomes too expensive. There are many advantages over underground mining, including the fact that it is both more cost-effective and involves less lead time.
Because peter the great had conquered the area formerly known as petrograd
Answer: A. the mid-ocean ridges
Explanation:
The features that form the longest mountain range on Earth is the mid-ocean ridges and spans about 40,389 miles around the earth.
The mid-ocean ridge has about 90% of its system under the ocean. They are formed as a result of the movement of tectonic plates.
Answer:
France borders Belgium and Luxembourg in the northeast, Germany, Switzerland, and Italy in the east, the Mediterranean Sea, Monaco, Spain, and Andorra in the south. France also shares maritime borders with the United Kingdom.
Explanation: