Answer:
It will take 720 minute to fill the tank
Explanation:
We have given that length of rectangular tank l = 12 m
Width w = 8 m
Rate at which water is filled in the tank = 550 l/min
And rate at which water come out from the tank = 150 l/min
So net rate of filling the tank = 550-150 = 400 l/min
Height up to which we have to fill the tank h = 3 meter
So volume of the tank 
We know that 
So 
So required time to fill the tank 
Answer:
When a nation of people have a State or country of their own, it is called a nation-state. European Nation State, also referred to as N, is a small far-right political party in Catalonia, Spain. The party defines itself as "National European" and "Popular Socialist". Four essential features of a nation-state is population, territory, sovereignty, and government.
Answer:
Relief Feature greatly affects the natural Vegetation of a region because the more height of a region is, it will be more cold and only mosses and lichens can grow but if the relief feature or the height of a place is decreased then a variety of plants grows.D
Explanation:
The distribution of fold mountains, as seen in figure 1, are mostly located around areas of tectonic plates surrounding various continents. For example, the Pacific plate, which runs along North America contains a long region of folded mountains along the coast.
GROUNDWATER is the largest source of freshwater on earth.
