Complete the notes below.
Write NO MORE THAN TWO WORDS AND/OR A NUMBER for each answer
An Overview of The Research on Amber
Amber: a fossilised tree resin, which may be produced to protect itself against 31______ and fungi.
Colors
usual yellow, orange, or brown
uncommon colors e.g. blue (what causes the blue color in amber is related to the occurrence of 32______)
Formation
under sustained 33______ and pressure
during an 34______ stage between resins and amber, copal is produced.
Places and Conditions
commonly found on 35______ e.g. in Russia.
avoid exposure to 36______, rain, and temperate extremes
Inclusions
Dominican amber: 1 inclusion to every 100 pieces.
Baltic amber: 1 inclusion to every 37______ pieces
Uses and Applications
It can be used to make ornamental objects and jewelry in 38______ settings.
Some people believe that its powder mixed with 39______ cures throat, eye and ear diseases.
It has even been used as a 40______ material, for instance using it to create Amber Room.
答案
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