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 
There is a wall along it.
Answer:
Independence from Spain, in the case of Central America, was primarily a reshuffling of power between Peninsulares (Spaniards born in Spain) and Criollos (Spaniards born in Latin America).
Https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0ahUKEwjascq6vOLM...
You will find the information you need here. :3 Good luck!
(Says I have to cite my sources so here goes: I just copy/pasted your question into Google lol)
They show that there was an ocean over the plains long ago, and fossils are always used to elaborate on the history of life/how it developed.
