question_answer

Read the information and complete the passage given below:

Global warming____9____the world. It____10____ disturbances. There is a____11____ countries and islands. If we want to save our planet, we____12____ We have to use methods to create ecological balance otherwise it____13____.

A)  cause disturbance          

B)  will be too late

C)  will be threat                

D)  should be checked