The __________ layer keeps track of which frames have been successfully received and retransmits unsuccessful frames

Which of the following is an acceptable termination date for an enforceable exclusive listing of residential real property:

A: 90 days from completion of construction of the property; B: 3 days after notice of recission by either the seller or the listing agent; C: 90 days after receipt of conditional commitment on a loan; D: 90 days after the listing agreement is signed.

Rhodia invites tourists from all over the world to experience its pristine nature, clear skies, and beautiful summertime climate. This exemplifies ________

A) corporate image marketing B) social marketing C) place marketing D) social engineering E) negative brand equity