Advantages and Disadvantages about Drought and Dersertification​

Which of the following is the main purpose of using an anchored network of booms which funnel debris to a collection area?

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?

The economies of nordon could be described a. unable to use rich resources b. struggling but diverse c. dependent on one product d. healthy and diverse