1) What is the meaning of the number inside a triangle at bottom of plastic bottle? a) what kind of material is the bottle made of b) the number of times the bottle has been recycled 2) Can all recycle all kinds of plastic? a) Yes, it is possible b) No, some plasctic cannot be recycled 3) When was registred trueque for first time? a) In 6000 BC in Mesopotamia b) Year 1782 4) Select the best sentence: a) A source of information is a technological tool b) A source of information is where the information comes from 5) What is the meaning for reliable a) Something or someone I can trust b) Someone that is able to do something 6) Select the best definition for air pollution a) Contamination of the indoor or outdoor environment by any chemical, physical or biological agent b) Contamination of the outdoor environment by any chemical, physical or biological agent that modifies the atmosphere. 7) What is soil? a) A green substance found on the top of the trees b) the upper layer of earth in which plants grow. 8) What can affect the nervous system? a) noise b) sunlight 9) What is industrial wastewater? a) substances having been dissolved or suspended in the air. b) substances having been dissolved in water, 10) How can you prevent influenza? a) eating clean and well cooked food b) Avoiding sick people 11) 4 aspects to evaluate information a) Purpose, authority, accuracy and objective b) Purpose, authority, accuracy and objectivity. 12) Select the right answer for this symbol a) Up right side b) Up left side 13) why is it important to install anti - virus? a) Because it prevent malware attacks b) Because it prevent terrorist attacks
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