The subject would be the noise in the building.
Even though it occurs mid-sentence, it is what the whole sentence is about. The portion of information in front of the comma was just additional information.
South Africa faces a number of human right challenges regarding education (rural schools, educational right for disabled children,...),domestic violence , political rights and freedom , health (Africa has the largest number of people living with AIDS). Chapter Two of the Constitution of South Africa protects the human rights of all people in South Africa. Building and sustaining a human right culture is of great importance for every country, and so for South Africa.
Answer:
what do we answer
Explanation:
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