Dr. sands studies how the relative influence of heredity and environment influence the age at which people learn to read. her research belongs to the field of

the banking act of 1935 gave the president authority to appoint the seven members of the federal reserve system and the group's chairman.

explanation:

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.