(a)
Interpretation:
The shifting baselines has to be explained also the plastic items used for packaging have to be identified.
Concept Introduction:
Polymers are macromolecules which are formed a by number of repeating units called monomers.
(b)
Interpretation:
The plastic items that are contamination in water ways have to be identified.
Concept Introduction:
Polymers: Monomers combine together to form polymers. Monomers are the repeating units of small molecules which link together to form polymers and the process is called as polymerization.
Polymers are macromolecules which are formed a by number of repeating units called monomers.
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Chemistry In Context
- Use the web to research the amount of PVC polymer produced annually in the United States. What are the three most common uses of this polymer?arrow_forward3. What is an antistatic agent? Which choice is a better explanation for its role in a plastic. a. It prevents static charging on material b. It prevents flaming on plastics c. It is used for easy degradation of polymer material on nature. d. It decreases toughness of plastic material e. None of thesearrow_forwardb. Are polymers today becoming more sophisticated in structure? Why or why not?arrow_forward
- Simply explain each point, about how to overcome the plastic pollution. Reduce, reuse, and recycle as a habit Raise awareness and general knowledge Involvement by the government Addiction to biodegradable materials than a plasticarrow_forwardShow the universal recycling codes to the learners. Or hang a poster of the codes in the classroom for the learners to examine. Ask the learners to bring a plastic product with any of the recycling code listed below. Ask them to describe the material: 1. What is the sample polymer material used for? 2. What recycling code is printed on the sample? 3. Describe the material in terms of hardness and/or flexibility. 4. Why are recycling codes used in the plastic materials?arrow_forwardIn four or more sentences, explain the advantages of using biodegradable plastic.arrow_forward
- a statement about the scale of plastic production and how this has changed over time using simple lanaguge becsuse it is writte for kids. a statement about the scale of plastic production and how this has changed over time using complex lanaguge.arrow_forwardGlass transition temperature is important for fabrication of polymers. Justify this statement. Draw the graph show the relationship of degree of polymerization with Tensile strength. Explain which one is having high Tg and Why?A. Polystyrene and Polyethene B. Nylon 66 and Polypropenearrow_forwardMost plastics are made using chemicals extracted from oil. Currently, only a small fraction of plastic waste is recycled. Describe at least two ways in which an improvement in plastics recycling benefits the environment.arrow_forward
- Which of the following is true about heavy metals and their environmental impact? a. Coffee and tea waste could be viable options to rid water of heavy metals. b. Based on the study shown in class, coffee is definitively the best option to rid heavy metals from water. c. Coffee, tea and caffeine all remove heavy metals from contaminated water through absorption. d. Copper is the most prevalent metal found in drinking water that can cause harm to the environment and humans. e. Copper and zinc concentrations in drinking water are significantly higher in areas with human activity.arrow_forward12. Which is NOT TRUE aboutthermoplastic polymers? a. they maintain their shape and strength when heated. b. they must be heated to "set" or "lock in" their structures. c. they offer increased strength but lose their shapeupon further heating. d. chains are tied together by actual chemical bondsarrow_forwardSOLUTIONS TO OVERCOME PLASTIC POLLUTION - Briefly explain how to reuse reduce and recycle plastic to prevent plastic pollution in the environment.arrow_forward
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