Answer:
The correct answer is C)
Explanation: The lake with no Sphagnum mat has less disolved oxygen. The moss is a plant which generates and liberates oxygen as part of its metabolism. The oxygen disolves into the whater of the lake which has this Sphagnum mat, giving it a higher concentration of disolved oxygen than the other one.
Democracy and Communism, they are different in many ways including the infrastructure of the government, democracy is a by the people for the people type of system while communism is a system where no matter who you are or what you do you get equal pay with everyone else, this means a doctor will get paid as much as a street vendor, one of the only ways they are similar is that the people have the power and are the main focus of each system and are thought to empower and unite the people
Physical geography is the branch of geography dealing with the natural features and the processes
They have a characteristic U shape, with steep, straight sides and a flat or rounded bottom (by contrast, valleys carved by rivers tend to be V-shaped in cross-section). Glaciated valleys are formed when a glacier travels across and down a slope, carving the valley by the action of scouring.
