Meno is 64 years old. Although continuously faced with considerable stress and difficulty in his life, he always displays an optimistic, up beat attitude. According to research, Meno should:.

probably live longer than those without such positive attitudes.

Explanation: Ability to always be optimistic and display an upbeat attitude regardless of the stress, difficulties is keen. Optimism and positivity inspite of any challenge is hope for a better tomorrow. People in this class are likely to live longer because negativity pessimism has never done any good to any one.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.