Correct Answer: Prism
Water "wets" plastic more than glass, giving a lower reading
Research Cambridge Glass Company or Consumers Glass Company...I think both used trianglr with a C in it. Hope this helps.
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Wet glue applications affix a paper or plastic label using a preapplied adhesive. Beverages and foods in glass containers often use wet glue labels.
recyclable items:all glass jars or bottles, cardboard. all plastic bottles and jars, aluminum cans, aluminum containers/ foil, paper, metal cans, phonebooks,frozen food boxes, plastic buckets, pots, toys, clean plastic food packaging, mail, magazines and catalogs(all of these must be cleaned thoroughly)ways to recycle:reuse items simply by washing bottles bought at stores, save leftovers in plastic containers(some sandwich meat is even sold in plastic containers),create a compost pile(eventually you will have rich soil for a garden), if you use disposable cups at a party or other sicial gathering have a writing utensil available for the guests so that they may wright their names on the cups, buy recycled materials, glass can be recycled to create clothing materials,plastic bags can be recycled at most stores, or you can use cloth bags and reuse them, before recycling cleaning bottles(yes, you can do that) mix the clenser with water or but the item in bulk to a- save money and b-it will last a bit longer)
Prism.
Correct Answer: Prism
Usually glass.
Because acid does not react with glass, glass isn't contaminated by anything, and if it is you can see it. Glass also is clear so you can see what kind of chemicals are inside. And used over plastic because some acids react with plastic and plastic is not as clear when it needs to be as thick as glass does.
Plastic jugs do not break as easily.
Not all... Some spectacle-makers use plastic lenses instead of glass.
clear plastic or glass works ok
Acrylic is a useful, clear plastic that resembles glass. it is strond shatter resistant and waterproof.
refraction
Refraction
Refraction
Acrylic plastic is from a family synthetic, or man-made, plastic materials containg some acrylic acid. Acrylic plastic also called acrylic glass is a clear alternative to sheet glass.