Answer:
Karl Marx divided society into two broad classes, the bourgeoisie and the proletariat; the latter of which, he wrote, was free from the danger of moral decay due to their lack of material property.
Answer:
Once the sun's energy reaches earth, it is intercepted first by the atmosphere. A small part of the sun's energy is directly absorbed, particularly by certain gases such as ozone and water vapor. Some of the sun's energy is reflected back to space by clouds and the earth's surface.
I think they were protected by invaders
The purpose of the Louisiana purchase in 1803 was to give the United States more control of the Mississippi River, and the port city of New Orleans, which were both used by farmers to ship their crops and get paid.
I believe it is D oxidation