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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Juicy93 Juicy93
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6 years ago

Which of the following are all examples of minerals?
  a. bronze, steel, glass, aluminum, pencil lead
  b. gold, silver, uranium, lead, silica, iron
  c. copper, ice, quartz, topaz, diamond, corundum
  d. water, mercury, metallic hydrogen, limestone
  e. petroleum, coal, iron, feldspar, basalt




Q. 2 -

Common examples of sulfide and sulfate minerals, respectively, are:a.
   galena and pyrite.
  b. gypsum and anhydrite.
  c. galena and gypsum.
  d. galena and hematite.
  e. fluorite and pyrite




Q. 3 -

Cleavage is defined as:
  a. planes of fracture resulting from weak bonds.
  b. smooth, flat reflective surfaces.
  c. surfaces of smooth, curved fracture.
  d. planes of fracture resulting from strong bonds.
  e. none of the above




Q. 4 -

Elements bond together to form molecules because they:a.
   are most stable when their outer electron shell is filled.
  b. need to have a positive charge.
  c. need to have a negative charge.
  d. are glued together by positrons.
  e. none of the above
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yagmurcagatayyagmurcagatay
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6 years ago
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Juicy93 Author
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#2
6 years ago
So that's it? I get an expert answer then we move on with our lives? Not too bad Smiling Face with Open Mouth
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#3
6 years ago
we do it for the love of comments
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