Question

3. What can be done to save our environment from harmful effects of plastics?

4. What are synthetic fibres? What are the types of synthetic fibres and their properties?

5. What are plastics? What are their types and uses?​

Answer 1

Answer:

What can be done to save our environment from harmful effects of plastics?

1. Answer) Give up plastic bags. Take your own reusable ones to the store.
2. Give up plastic bags. Take your own reusable ones to the store. Skip straws. Unless you have medical needs, and even then you could use paper ones.
3. Give up plastic bags. Take your own reusable ones to the store. Skip straws. Unless you have medical needs, and even then you could use paper ones. Pass up plastic bottles. Invest in a refillable water bottle.
4. Give up plastic bags. Take your own reusable ones to the store. Skip straws. Unless you have medical needs, and even then you could use paper ones. Pass up plastic bottles. Invest in a refillable water bottle. Avoid plastic packaging. Buy bar soap instead of liquid.
5. Give up plastic bags. Take your own reusable ones to the store. Skip straws. Unless you have medical needs, and even then you could use paper ones. Pass up plastic bottles. Invest in a refillable water bottle. Avoid plastic packaging. Buy bar soap instead of liquid. Recycle what you can.
6. Give up plastic bags. Take your own reusable ones to the store. Skip straws. Unless you have medical needs, and even then you could use paper ones. Pass up plastic bottles. Invest in a refillable water bottle. Avoid plastic packaging. Buy bar soap instead of liquid. Recycle what you can.Don't litter.

Explanation:

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Answer 2

Answer:

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• Give up plastic bags. Take your own reusable ones to the store.
• Skip straws. Unless you have medical needs, and even then you could use paper ones.
• Pass up plastic bottles. Invest in a refillable water bottle.
• Avoid plastic packaging. Buy bar soap instead of liquid.
• Recycle what you can.
• Don't litter.

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Synthetic fibers are fibers made by humans through chemical synthesis, as opposed to natural fibers that are directly derived from living organisms. They are the result of extensive research by scientists to improve upon naturally occurring animal and plant fibers

Classification of Synthetic Fibers:-

• Rayon. This is a type of synthetic fibre obtained from wood pulp. Rayon fabric is soft, absorbent and comfortable.
• Nylon. This type of synthetic fibre is obtained from coal, water and air.
• Polyester. This type of synthetic fibre is obtained from coal, water, air and petroleum

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Plastics are a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into solid objects.

1. Acrylic or Polymethyl Methacrylate (PMMA)
2. Polycarbonate (PC)
3. Polyethylene (PE)
4. Polypropylene (PP)
5. Polyethylene Terephthalate (PETE or PET)
6. Polyvinyl Chloride (PVC)
7. Acrylonitrile-Butadiene-Styrene (ABS)