III. WORD FORM Use the word given in capitals at the end of each line to form a word that fits in the space in the same line. There is an example at the beginning (0). POLLUTION AND ITS NEGATIVE EFFECTS Pollution is the (1) …………..of natural environment by external substances introduced directly or indirectly. Human health, ecosystem quality and aquatic and terrestrial biodiversity may be affected and altered (2) …………..by pollution. Pollution occurs when ecosystems can not get rid of substances introduced into the environment. The critical threshold of its ability to naturally eliminate substances is compromised and the balance of the ecosystem is broken. The sources of pollution are numerous. The (3) …………..of these different (4) and their effects on ecosystems is complex. They can come from natural disasters or the result of human activity, such as oil spills, chemical spills, nuclear accidents These can have terrible consequences on people and the planet where they live: (5) …………..of the biodiversity, increased (6) …………..of the human and animal species, destruction of natural habitat, damage caused to the quality of soil, water and air… Preventing pollution and protecting the environment (7) the application of the principles of (8) ………….. development, we have to consider to satisfy the needs of today without compromising the ability of future generations to meet their needs. This means that we should remedy (9) ………….. pollution, but also anticipate and prevent future pollution sources in order to protect the environment and public health. Any environmental damage must be punishable by law, and (10)………….. should pay compensation for the damage caused to the environment. DEGRADE PERMANENT IDENTIFY POLLUTE DESTROY MORTAL NECESSARY SUSTAIN EXIST POLLUTION B. READING Exercise 1: Read the text below and decide which answer A, B, C or D best fits each space. ENVIRONMENTAL CONCERNS Earth is the only (1)…………… we know of in the universe that can support human life. (2)…………..human activities are making the planet less fit to live on. As the western world (3)… on consuming two-thirds of the world's resources while half of the world's population do so (4)… to stay alive we are rapidly destroying the very resource we have by which all people can survive and prosper. Everywhere fertile soil is (5)… built on or washed into the sea. Renewable resources are exploited so much that they will never be able to recover completely. We discharge pollutants into the atmosphere without any thought of the consequences. As a (6)………..the planet's ability to support people is being reduced at the very time when rising human numbers and consumption are (7)… increasingly heavy demands on it. The Earth's natural resources are there for us to use. We need food, water, air, energy, medicines, warmth, shelter and minerals to (8)………….us fed, comfortable, healthy and active. If we are sensible in how we use the resources they will (9)…………. indefinitely. But if we use them wastefully and excessively they will soon run (10) and everyone will suffer. 1. A. situation B. place C. position D. site 2. A. Although B. Still C. Yet D. Despite 3. A. continues B. carries C. repeats D. follows 4. A. already B . for C. entirely D. just 5. A.sooner B. neither C. either D. rather 6. A. result B. development C. reaction D. product 7. A. doing B. having C. taking D. making 8. A. hold B. keep C. stay D. maintain 9. A. last B. stand C. go D. remain 10. A. up B. away C. out D. into