Answer:a, observations
Explanation:
They believe that people are changed by their surrounding environment and to see if there are any changes one has to observe their behaviours.
the most serious flaw of this design is: <span>They have not defined happiness or how it will be measured.
Happiness is very subjective because it each person may have a different source of happiness. For some people, it maybe the success of their career while for the other it's simply doing what they love to do. Not only that, if Magali and Jane collect the data simply by asking like that, they would not know whether the person is telling the truth.</span>
Answer:
Constitutional republic
Parliamentary republic.
Explanation:
South Africa Governments are;
Constitutional republic
Parliamentary republic
The Republic of South Africa is a parliamentary republic with three-tier system of government and an independent judiciary, operating in a parliamentary system. Legislative authority is held by the Parliament of South Africa.
It deals with opportunity costs. Opportunity costs are not real costs, but rather the things that you had to give up in order to obtain something else. What you didn't obtain is considered to be an opportunity cost. A production possibility curve deals with this.
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