Antibiotics, are helpful for treating the common cold, however due to them being very powerful medicine, they are not highly recommended.
Answer: Bribery
Explanation:
Bribery can be defined as the act of giving something of the value in return for some kind of influence or action in return, which the receiver would have not offered without the price value.
Here, in this case also the oil company might have paid some bribe to the government officials in order to get approved their project.
Due to bribe the government officials approved their project without being thinking of the consequences of the project.
The answer ma be C hope help
Decrease
Explanation : if there is less born and a greater number dead then math will tell you that the population would decrease have a nice day (: