iron Presence of trace elements, irradiation and iron impurities give the gem amethyst its purplish color!
Answer:
43.89 min
Explanation:
Given that:-
The speed of light = 
The distance = 
The conversion of distance in km to distance into m is shown below as:-
1 km = 1000 m
So,
Distance = 
The relation between speed distance and time is shown below as:-

Thus,


Time = 2633.33 seconds
Also, 1 s = 1/60 min
So,
Time=
Answer:
10-10 above the 0 is positive and the ones below is - (negitive)
Explanation:
Answer:
Decreases
Explanation:
An element's oxidation number decreases because it gained electrons.
I believe <span>Na2SO3 is the solution to the problem.</span>