1) 1) The gradual increase in the Earth’s temperature (warmer weather) and the temperature of the oceans is known as «global …». a) A climate b) B warming 2) 2) Because of the damages caused by the cyclone, there will be massive … of food. a) A chain b) B shortages 3) 3) We can conserve water by not letting it … when we are not using it. a) A run b) B pollute 4) 4) Exhaust fumes cause a lot of …, especially in big cities. a) A recycling b) B pollution 5) 5) … is much healthier than driving, and it doesn’t pollute the air. a) A Flying by plane b) B Biking 6) 6) …, which is partly caused by exhaust fumes from cars, is a very big problem in many big cities across the world. a) A Smog b) B Smoke 7) 7) Thick forests in the tropical part of the world are known as… . a) A woods  b) B rainforests 8) 8) Warming of the atmosphere that occurs when certain gases absorb part of the solar radiation reflected by the Earth is called ... . a) A acid rain  b) B the greenhouse effect 9) 9) … rain occurs when pollution in the air is absorbed by water droplets in clouds. a) A Dirty b) B Acid 10) 10) Global warming is seen by many as a … to humanity. a) A threat b) B treat 11) 11) Forests, farmland, and oceans are known as «natural …». a) A research b) B resources 12) 12) One way to reduce the amount of garbage is by… . This way, a plastic bottle can be melted to create other plastic bottles, a glass bottle can be used to make other glass bottles, etc. a) A revising b) B recycling 13) 13) When you recycle, you have to … paper, plastic, and other types of garbage. a) A separate b) B sever 14) 14) No longer existing animal species are called… . a) A habitat  b) B extinct 15) 15) The presence in the atmosphere of large quantities of particles or gases produced by human activity that are harmful to both animal and plant life is known as ... . a) A the greenhouse effect  b) B air pollution

Environmental Problems

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