Whats the answer for number 13, 14 & 15

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )

food chain i would say only because there is competition on getting food and survival

due to inefficiency of management, the business plan has failed

idk what right product means but i assume it's this one since this was the last one left after i did the other three

the finance team has misjudged the requirement of business plan and chosen a wrong line of credit

operations risk is when the employees make a mistake

flash floods have damaged all machinery in the main manufacturing

natural disasters include anything ruined in the business by the weather or other disasters such as earthquakes

there have been foreign exchange rate fluctuations

economic risks is when things in the economy changes (like interest rates, currency value). the government has a large part in controlling this