Answer:
Explanation:
Polyethylene
Polyethylene or polythene is the most abundant manufactured plastic material. Polyethylene is generally available as thin transparent sheets which are used for making packings for solid test sample powders and other containers such as bottles.
With a few exceptions, individual cells cannot be seen with the naked eye, so scientists must instead use microscopes (micro- = “small”; -scope = “to look at”) to study them. A microscope is an instrument that magnifies objects otherwise too small to be seen, producing an image in which the object appears larger.
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