Explain the highlighted words and phrases, make up sentences with them

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3.4. Do the crossword filling in the words defined below to read the word: 1. chemical substances used to kill insects and small animals that destroy crops 2. tending to benefit or cause minimal damage to the environment 3. to take food or other substances into your body 4. the very small forms of plant and animal life that live in water 5. relating to the sea and sea creatures 6. to get rid of waste material by e.g. burying it under the soil 7. a whirling or spinning motion, esp in water 8. to cause problems for someone over a long period of time 9. to try to judge some parameters without exact calculation 10. to form contacts and cooperate 11. the most important thing needed to exist or develop successfully
3.5. In pairs, think of another title to the text. Explain your choice.   3.6. Look through the article and list the reasons for: 1) ocean pollution 2) animal and bird deaths 3) ocean protection 4) environmental awareness	3.7. Explain what the italicized phrases mean. Are they used in their direct or indirect meaning? In what meaning are they usually used? Why did the author decide to use them in such an environment? Water covers more than 70 percent of the planet's surface, making our rivers, lakes and oceans the lifeblood of our planet. Many of these bodies of water may be out of sight and out of mind, but our health may depend on their protection. Killer whales, which are kind of our mirror, our canary in the coal mine, so to speak, are ingesting all sorts of things that are affecting their health. So why would you dump those chemicals down the drain and have them end up on your plate, which you then feed to your child?

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3.8. The title of the text contains the word "garbage". Which other synonyms does the author use? 1) _______________________ 2) _______________________ 3) _______________________ 20. In the English language there are some words that mean “thrown away or unnecessary objects”. Find out the difference in meaning of these words. discards debris litter trash rubbish garbage refuse waste effluent junk sewage     discarded or secondhand objects     liquid waste, especially chemicals     matter thrown away or rejected as worthless     pieces of useless material that make a place untidy     things that you throw away, such as empty bottles, used papers, food that has gone bad etc (BrE)     things that you throw away, such as empty bottles, used papers, food that has gone bad etc (AmE)     unwanted materials or substances that are left after you have used something     waste material, paper, empty containers, food thrown away (AmE)     waste matter from domestic / industrial establishments carried away in sewers or drains for dumping or conversion into a form that is not toxic     waste paper, cans thrown away and left on the ground in a public place     things rejected as no longer useful or desirable

3.9. Fill in the gaps with the words from ex. 3.8. Explain your choice. 1. All he saw was __________. His was the last ship remaining. 2. City residents depended on rainwater to flush human _______and ________away. 3.__________pickup is at noon, so the cans have to be out front by then. 4. Imagine how you would react if your spouse said,' Take out the _______, now!'" he says. A better approach: "It would help me a lot if you'd take out the __________". 5. In turn, any __________that is in gutters or on streets gets swept off by rainfall and then carried into the underground creek that feeds the waterfall. 6. I've been to all the __________yards around York County. 7. Nor is household __________entirely benign: the average household generates fifteen pounds of hazardous waste per year – cleaning agents, fertilizers, paint, automotive products, and so on. 8. __________in the classes is collected and emptied twice a day. 9. So don't junk your __________- give them to someone who will use them! 10. The __________was discharged into the drainage system without additional pretreatment. 11. The Romans, they had the aqueduct system of delivering water and the __________systems.