The person who had the idea that the continents was an German man named Alfred Wegener.
Because Russia’s land mass is so large it is hard to built a good economy because of the size everything is from each other
The umbra is right by the moon so this would be a complete dark sphere with no kind of detail or any real textures whatsoever. The penumbra is in a spot where the sun's light overtakes the moon so you would be blinded by light.
The second option is true hope this helps
Answer:
D. the book is in equilibrium
Explanation:
The book does have the force of gravity exerted on it, but it is able to rest on the table because the force of gravity is countered by the force of the table pushing up on the book.