Answer: The choice of a submarine to either sink or float depends on the captain of that submarine. For a submarine to sink the captain just have to allow water to fill the water tank (lock), making the submarine more dense than the water it has displaced. For it to float, it just have to empty the water tank and allow air to fill it.
When a boat in a canal lock sank, the water level will rise, because the volume of the boat has displaced more water, and this displaced water will cause the water level to rise. The space occupied by an object in a water, is equal to the volume of water been displaced.
One situation that would definitely NOT lead to an increase in productivity is
D. an increase in the cost of factors of production .
An increase in the cost of production would rather lead to a decrease in productivity - it would make the production more difficult.
Yes it does match up with the layers
I believe it would be <span>the high fertility rate in sub-Saharan Africa
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The answer is most likely:
none
This question has choices including none of the above. The first choice seems to be inappropriate wherein it states that prepared core typical of prehistoric modern humans that inhabited this region, and the other two choices doesn't fit the question too. Thus, the answer is none of the above.
