Ron is in the process of designing tables for a database that will contain information for all school matches played in a year. what kind of a field must he define to prevent users from entering duplicate values?

You should try to photograph people on bright sunny days because the light will be best a) true b) false

Knowing that the central portion of link bd has a uniform cross sectional area of 800 mm2 , determine the magnitude of the load p for which the normal stress in link bd is 50 mpa. (hint: link bd is a two-force member.) ans: p = 62.7 kn

As with any small island country, cuba has fewer natural resources than countries such as brazil. this affects their economy in that cuba a) exports only manufactured products. b) exports more products than it imports.. c) must import more products than it exports. d) has imposed trade barriers against the united states.