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Secondary amines have the general formula RNH2.
Proportional
A relationship or ratio between two quantities where one is directly proportional to the other.
Communications Network
A system of interconnected computers, telephones, or other devices that allow for the exchange of data and information.
Willingness to Pay
The maximum amount an individual is prepared to spend to acquire a good or service or to avoid something undesirable.
Proportional
Relating to or denoting a relationship between two quantities where their ratio remains constant.
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