« previous next »

Author Question: The principal ingredient of glass is: A. resin. B. lead. C. kaolin. D. sand. E. ... (Read 62 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
on: Jun 23, 2018
The principal ingredient of glass is:
 
  A. resin.
  B. lead.
  C. kaolin.
  D. sand.
  E. cloisonn.

Question 2

The Tree of Jesse is a work from:
 
  A. the golden age of stained glass.
  B. the Pueblo people of San Ildefonso.
  C. the 15th century.
  D. the first wave of feminist art.
  E. American ex-slaves of the 19th century.


14vl19

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jun 23, 2018
Answer to Question 1

D
Although there are numerous formulas for glass, its principal ingredient is usually silica or sand.

Answer to Question 2

A
The Tree of Jesse is an example of a special branch of glasswork, stained glass, a technique used for windows, particularly in the great cathedrals of the 12th and 13th centuries.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Sand bathing. Sand bathing.
Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b Daniel Burnham’s Flatiron Building (1902) was one of the first to use steel girders to hold up the b
Children with insecure attachments may show angry behavior with peers, which can lead to peer ... Children with insecure attachments may show angry behavior with peers, which can lead to peer ...
Positively charged chromatography resin bead Positively charged chromatography resin bead
Lead Displaces Iron Lead Displaces Iron
Extraordinary Beach Sea Glass Extraordinary Beach Sea Glass
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

For a complete list of videos, visit our video library