POLLUTION IS ONE OF THE MAIN CAUSES OF SPECIES EXTINCT. A...

4. - BÀI GIẢNG BAI KIEM TRA 45'''' KI 2 SO 1
BÀI GIẢNG BAI KIEM TRA 45'''' KI 2 SO 1

4. Pollution is one of the main causes of species extinct.

A B C D

III. Choose the best answer to complete the following sentences.(2 pts)