1.
helps protect the skin from the sun’s ultraviolet (UV) rays.
2.
usually appears a few hours after being in the sun.
3.
full of clouds, so you can still get burned.
4.
This helps protect the skin for about 1.5 hours.
5.
The study of weather and Earth’s atmosphere.
6.
Humidity is the amount of water vapor (water in the air) in the air.
7.
Visibility is how far and clearly we can see through the air.
