Russia's eastern to western border is 6,666 miles.
Answer:
True
Explanation:
Trench warfare was a gruesome reality of World War I that let to a host of problems for both sides of the conflict. The strategy consisted in a establishing a front line comprised of fortified trenches that were impossible for the enemy to cross. The stalemate ensued when neither of the armies on the Western Front were able to advance because of the difficulty of breaking the well-developed trench system of the opposing side.
Answer:
The Earth’s crust is not a solid shell. It is made up of thick, interconnecting pieces
called tectonic plates that fit together like a puzzle. They move atop the underlying mantle, a really thick layer of hot flowing rock.
By examining evidence such as similar rock layers in various places, fossilized desert
belts, the distribution of fossils, and the physical shapes of continents, scientists
have concluded that the Earth’s continents were once all connected to form a
“supercontinent” called Pangaea that was surrounded by an enormous ocean. In
this activity, students will use the different kinds of evidence to reconstruct how
the Earth may have looked approximately 220 million years ago.
Explanation: