Use the SYNONYM given to rewrite the following sentences

Use the SYNONYM given to rewrite the following sentences.
1. The increasing level of pollution relates directly to the development of economy.
(associated to)
=> _____________________________________________________________________
2. Many people believe that government should provide free education to all citizens. (be
equipped with / non-paid education)
=> _____________________________________________________________________
3. It is undeniable to say that the gender inequality is still happening in the developing
countries. (unavoidable / third world countries)
=> _____________________________________________________________________
4. The urgent thing is to solve the existing problem about malnutrition in Africa. (crucial /