Angela Warren...look at the superscript number after the sentence that references the flying buttresses and them look below to the source that corresponds with that number (3)
Answer:d. the duty of performance
Explanation:
The duty of performance means you perform the duty that you have promised on a contract that you will perform. The contract is fulfilled only when the two parties have performed their stipulated duties according to the contract.
Custom Floral Arrangements, Inc., hires Bernard to order exotic flowers for its arrangements; they did this because Bernard is an expert on exotic flowers hence they trusted and mostly likely agreed on the contract that he will indeed do his duty to examine that the flowers are indeed perfectly exotic as an expert.
Bernard does not examine the quality of the flowers he orders on behalf of Custom Floral, this is a breach of contract because now he is not performing the duty that they hired him to perform.
It is a convection. A convection is when there is a natural current to keep the hot and cold water flowing to make an even boil.
