Land and things permanently attached to the land, such as trees, buildings, and stationary mobile homes are _______

A description of property that reads "Commencing on the south side of 'O' Street, at a point 150 feet west of 'O' and 85th Street, running in a southwesterly direction..." would be an example of which of the following land description methods:

A: Recorded lot and block system; B: U.S. Government Range and Township system; C: Metes and bounds; D: U.S. Coastal and Geodetic Survey

A(n) ________ occurs when Kirin Albers trades Max Lynch three hours of babysitting his three-year-old daughter for fixing the hole in his porch roof

A) differential benefit B) promotion C) exchange D) collaborative consumption E) virtual trade