Two reasons Rome fell:
- Invasions by Barbarian tribes
- Military overspending
This would be the opportunity cost: the cost on missing out on different opportunities once one opportunity is chosen. So if you choose A over B, the opportunity cost is the gain you could have had if you'd chosen B (even if you anyway couldn't have chosen both in the first place!)
Answer:
Cement factories are located very close to the source of limestone and it is a low value commodity as compared to rock salt which is high value commodity ( Raw material such as copper and coffee) and is supplied all over the country.Therefore,the supply of limestone is likely to be cheaper than that of rock salt.
Explanation:
they had all kinds british ETC.......................................
