Answer: 31,000 meters (m) or 31 kilometers (km)
Explanation:
6,000 meters + 4,000 meters + 12,000 meters + 8,000 meters=31,000 meters
Simplified explanation: 6+4+12+8=31
The once white light beam would turn green. the people (humans) would only see green.
If this is a true or false, question I will help you by saying that this statement is FALSE.
A) both have strong scientific support.