"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.
Global participation is important in reducing resource depletion, because the problem is a global one. Local deforestation has global impacts. The demand for resources in one country can affect the depletion of resources in other countries. Without global participation, nonrenewable resources will continue to be depleted.
The plate-driving force is the slow movement of hot, softened mantle that lies below the rigid plates."
It's the mantle.
