Why is scarcity the basis of all economic decisions? Describe how the role of the government in a society influences the three economic questions. (Site 1)

Scarcity is the basis of all economic decision because it will not go away. No matter what there will always be scarcity. It is impossible for the government to provide everything for their people. There are costs for every economic choice the government makes. There is a limit on what we need to produce product whether it is time, money or effort. The government decides the budget of something to be produce. They decide how to make things a certain way. And they choose the how the resources are beneficial to the environment. Scarcity will always be here so we have to learn to make decisions with it.            

Explanation:

I put this on edge and got it right

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.