Answer:
0 to 4 percent is the percentage of water vapor found in the air.
Explanation:
The percentage of water vapor can range from 0,000002% to as high 4%.
The vapor content in the air varies from place and time because the humidity is determined by the temperature of each zone.
For example at 30 celsius degrees, a volume of air contains 4% water vapor. At -40 celsius degrees approximately 0.2%.
