<span>Erosion by rivers is a main valley-forming
process; other processes, such as movement of the earth's crust and
glaciers, also have an important part in some cases. The rate at which a
river deepens its valley depends on several factors.</span>
African
Antarctic
Eurasian
Australian
North America
Pacific
South America
Hope this is right....
Yes it developed but am not really sure what you mean
I dont know your question so winds and mountains
Answer:
Photosynthesis play important role in the cycling of matter into and out of the organisms as photosynthesis is the process in which plants utilize carbon dioxide (CO2) and water (H2O) and releases oxygen (O2) and energy in the form of carbohydrate or sugar. Other organisms utilizes these oxygen and energy or carbohydrate for the chemical reaction in their body.
So, photosynthesis take carbon dioxide (CO2) and water (H2O) from outside as input and gives oxygen (O2) and energy as output.
