It is called surface currents.
"1. moisture (water vapor) in the air near the surface
2. instability - relatively large decrease of air temperature with height
3. lift - some process (such as a front) that forces air to rise"
The air is dry during the summer and any moisture amount is increased in the afternoon as the temperature cools.
Answer:
38
Explanation:
you take what is in the ( ) and solve that first. 17+8=15. 25-6=19. 19x2=38