1. A period of 3- 4 months without rain will cause a severe_________. typhoon earthquake drought flood 2. In many places, they build cooling towers cool ___the water from power stations. up down off with 3. Do you have difficulty__________ your Australian friends? understand understood understanding to understand 4. Water pollution ___the death of all forms of life in the water bodies. leads to results of creates due to cần gấp. Đáp án thôi. hay vote 5 sao