Talking about the causes and effects of one type of pollution in your area and give your ideas for the solutions of this problem

- giúp tớ topic nói vs ạk
1 . Talking about the causes and effects of one type of pollution in your area and give your ideas for the solutions of this problem
+ Name of pollution
+ Definition 
+ Causes / effects / solutions
2 . Talking about a natural disaster and ways to prepare for the disaster
+ What is the definition of the disaster ?
+ What are the effects of the disaster ?
+ How do people prepare for the disaster ?
+ Time ( wasting or not wasting )
+ Health ( negative or positive effect )
+ Brain ( negative or positive effect )
... cần gấp ạk