1 Collegedata.com says, âThe College Board reports that the average cost of room and board in 2014â2015 ranged from $9,804 at four-year public schools to $11,188 at private schools,â but doesnât break down whatâs room and whatâs board.2  A USA Today article quotes the same figures. Collegedata.com says, âThe College Board reports that the average cost of room and board in 2014â2015 ranged from $9,804 at four-year public schools to $11,188 at private schools,â but doesnât break down whatâs room and whatâs board. 2  A USA Today article quotes the same figures.
B. Leaves is a modification into the spine in a cactus plant. they are modified leaves. Being narrow and sharp not only helps defend the plant but also the reduced surface area helps limit water loss. [ [ ] ]. Expert answered| patmarone |Points 5452|.
A. Thorn of Pyracantha. B. Spine of barberry (Berberis). The thorn is technically a modified, sharp-pointed stem. It occurs in the axil of a leaf where a branch would normally develop. The spine is technically a modified, sharp-pointed leaf. Since it has a bud in its axil, the spine occurs in the relative position of a leaf.