WHAT IS A SERIOUS PROBLEM OF LAKE BAIKAL IN RUSSIA
38. What is a serious problem of Lake Baikal in Russia? A. It has 1,300 rare species that do not exist anywhere else in the world. B. The government did not have the power to enforce laws and regulations. C. It is polluted by massive volumes of industrial wastes discharged into it. D. It contains a rich variety of animals and plants.