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1. 
Where plastics are obtained from?
A.
From shops
B.
Are derived from caves of mountains
C.
Are derived from natural and organic materials
2. 
What are the types of plastics?
A.
more than 10 types like transparent, flexible...
B.
many types
C.
Polyethylene Terephthalate, High-Density Polyet, Polyvinyl Chloride...hylene,
D.
Low-Density Polyethylene, Polypropylene...
3. 
What are the characteristic of Polypropylene?
A.
Is one of the most durable types of plastic and it is more heat resistant than some others
B.
Food packing and food storage
C.
Is good for the animals and don't contaminated
D.
It’s flexible
4. 
Advantages of plastics
A.
Plastic is cheaper than cardboard, keeps food and it’s durable
B.
It's more transparent than cardboar and glass
C.
It's reciclable and other things more
D.
It doesn’t exhaust the petroleum and It’s recyclable
5. 
Disadvantages of plastics
A.
It can contaminate the house
B.
It more plastic than plastic
C.
It can contaminate, the factory that makes the plastic contaminates and the live in Earth can be affected by plastic
D.
The factory that makes the plastic don't contaminates and Earth can affected the plastic
6. 
Characteristics of Polyethylene Terephthalate
A.
It's in fabrics and food
B.
It's flexible
C.
It's more lighter than other things that live
D.
It’s lightweight, strong, typically transparent and is often used in food packaging and fabrics
7. 
Do plastics contaminate?
A.
No, they don't
B.
Yes, the do
8. 
Do plastics act as containers?
A.
Yes, they do
B.
No, they don't
C.
Both are correct
9. 
Plastic has veneficial properties such as...
A.
light night, bad material and not flexibility.
B.
Light weight, durability and flexibility.
C.
Flexibility
D.
Not durable and not flexibility.
10. 
Most plastics are made up of...
A.
a lot of molecules derivative from petrol
B.
a lot of molecules derivated of the plastic
C.
a lot of atoms made of molecules
D.
from other materials