Can someone name all the presidents please?

The ability to accurately gauge the distance of the coffee cup on your desk as you reach for it is called:

What is the most likely result of specialization in producing products a and b? a) japan stops producing and using product b. b) the u.s. stops producing and using product a. c) the increased output means the u.s. and japan can trade excess units of products a and b. d) specialization means the u.s. will trade 800,000 units of product b for 60,000 units of product a.

Barbara is a 50-year-old accountant, wears conservative clothes, and plays bingo every tuesday night at the church social. it is not the case, therefore, that barbara likes heavy metal music. this argument is