31.   Ozone loss is strongest over the frozen Antarctic because of a unique combination of weather conditions there.

32.   And I think Michelle is the unique combination of both of them.

33.   Different varieties of plants are determined by unique combination of genes in the seeds.

34.   Experts believe apples are loaded with several hundred healthy compounds and it may be the unique combination of those nutrients that creates the effect, he said.

35.   If successful, Klagenfurt might be a unique combination of altruism and unbridled luxury.

36.   Jim Ayson and Alecx Estrada share that unique combination of cyber-culture know-how and the necessary musical background.

37.   Rio has a unique combination of geography and attitude that makes commuting a test of wits, nerve and faith.

38.   Spider silk has a unique combination of strength and elasticity with an ultra-lightweight fiber.

39.   That, he maintained, is a fairly unique combination, and one that is good for business.

40.   That means there can be as many as six unique combinations or as few as three.