The ____________ rate is high, especially when the economic problems cannot be solved.
unemployment
It is believed that when there is a______________, other problems such as crimes in chaos will take place.
lack of education
_____________ leads to the serious natural disasters.
climate change
Food is not enough for people. So, children have the problem about______________ making them sick and die.
malnourishment
In some countries, texas from citizens are exploited by the politicians as a part of_______________.
government corruption.
There is too much carbon dioxide. It’s air_________.
pollution