A business chooses to build army tanks rather than butter making machines bread machine or candy vending machines are called opportunity cost(<span>the loss of potential gain from other alternatives when one alternative is chosen.) googled it for you.Hope this Helps.</span>
A lasting impact of European colonialism was the creation of artificial boundaries created by colonial rulers brought together and separated people arbitrarily. For example, if you look at the boundaries of the nations in Africa, you will notice that cultural groups were divided and combined within and by lines created by European powers.
D) police force and sewer in london
A renewable source is one that can be renewed.
Some examples are solar energy, biomass and wave energy