In the structure below, the sigma bond of the carbonyl is formed from the overlap of a(n) ________ atomic orbital of carbon and a(n) ________ atomic orbital of oxygen. 
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Tax
A compulsory financial charge or levy imposed by a government on individuals or entities to fund public services and infrastructure.
Due Process Clause
A constitutional guarantee providing fair treatment through the normal judicial system, especially as a citizen's entitlement.
Fourteenth Amendment
An amendment to the United States Constitution that grants citizenship to all persons born or naturalized in the USA, including former slaves, and guarantees all citizens equal protection of the laws.
Same Sex Marriages
Legal unions between two individuals of the same gender, recognized by law in some jurisdictions.
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