Answer:
Humans get all the things they need for life from natural resources. People cant stay away from the natural things like solar power, air, water and soil.
Explanation:
Answer:
cutting down of tress also known as shifting cultivation
Cost- benefit analysis is the method that is mostly used by businessman to see whether they have taken correct decision or not.
Explanation:
Suppose a doctor has suggested two same type of medicine to the patient. One of the medicine is expensive and the other medicine is less expensive. But both the medicine will have same utility that is both will be used as a preventive measure for the sickness. One extra quality that the expensive medicine is having is that it will provide the patient to access to more application.
Using the cost benefit analysis it will be beneficial if the patient go for the cheaper medicine because the main aim of the patient is to cure the disease. Extra application is not required. The cheaper medicine will be budget friendly as well.
The cost-benefit analysis is basically known as the evaluation method because it helps the company to identify the best possible option that will give a good return on investment.
As of 2014 there are only 33 mega cities in existence.