Westfall409 Westfall409
  • 23-06-2015
  • Biology
contestada

What gives the gem amethyst is purplish color?
a. Quartz
b. Iron
c. Oxygen
d. Titanium

Respuesta :

Аноним Аноним
  • 23-06-2015
Gem amethyst turns purple because of the irradiation with iron. Answer is Iron.
Answer Link

Otras preguntas

The rabbit population on a small island is observed to be given by the function P(t) = 130t − 0.3t^4 + 1100 where t is the time since observations of the island
Write a paragraph to explain the pattern of volcanoes around the world.
While flying a kite at the beach, you notice that you are 100 yards from the kite’s shadow, which is directly beneath the kite. You also know that you have let
Where did jazz originate?
which group made p the largest social class in early civilizations?
In June, Ryan sold twice as many newspaper subscriptions as George. In July, Ryan sold 5 fewer subscriptions than he did in June, while George sold 3 more subsc
How did radio shape modernism in the 1920s
what is the scientific notation of 58,927
what does tres bien mean in French
a cuboid has a square base of side x cm. The height of the cuboid is (x +4) cm. The volume of the cuboid is 150cm cubed. Show that x cubed +4x cubed = 150