ginginmoore
ginginmoore
13-03-2015
Chemistry
contestada
Why are gold rings not made from 100% gold?
Respuesta :
HistoryGuy
HistoryGuy
13-03-2015
Gold is actually very soft. If rings were made of pure gold they would bend and become disfigured. Other elements are added to give the ring its stability.
Answer Link
asipos12
asipos12
13-03-2015
100% gold is too soft, and isn't nearly as durable as it needs to be.
Answer Link
VER TODAS LAS RESPUESTAS ( 58+ )
Otras preguntas
ramla bought a sheet of 100 stamps from the post office for $39. what was the price of each stamp?
_____ are types of changes that occur when text has been omitted from a document and must be inserted later. (Points : 2) Additions Deletions Modifications All
A major difference between Japanese samurai and European knights during the Middle Ages is that only knights:
The message or meaning of a play is _____. theme monologue exposition incident
which structure produces and organizes the proteins that form the spindle fibers
When farmers irrigate their crops, as much as 60 to 70 percent of the water _____. is ruined by pests, such as rabbits that are around the crops never reaches t
This plate boundary usually forms mountains due to colliding plates.
Which example illustrates commensalism and NOT mutualism? A) Hippo dung is eaten by a large species of catfish native to African lakes. The catfish typically f
The gerund, a verb form that ends only in -ing, is used as an adverb. a. True b. False
A fiction writer is hoping to evoke a sense of terror while describing the loud noise of a battle scene. Which phrase will be MOST effective? a. military ordin
