If you are the first person to arrive on the scene of a medical emergency, the first thing you should do is
a. survey the scene for possible danger to you or the victim.
b. rescue the person whose life is endangered, even if the scene is unsafe.
c. wait to send for medical after you assess the person.
d. wash your hands before the person.

no the answer is c only objects touching the earth's surface can be acted upon by an outside force

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.