Why does the sky change colors?
By naholly88
@naholly88 (7)
United States
October 18, 2006 7:38pm CST
Why does the sky change colors?(other than the sun revolving around the Earth)
1 response
@courtlynne77 (4839)
• United States
19 Oct 06
In a lot of cases it is pollution that causes the sky to change during sunrise and sunset.
