How does climate influence mass wasting?

1.How does climate influence mass wasting? Also, intuitively, it would seems that rainy climates would be most susceptible to mass wasting. But why might arid climates experience a great deal of mass wasting even though there is less annual rainfall?

2. Examine Figure 14.13 (which is attached) Given your understanding of the condition required for the formation of a thunderstorm, wy would there be so many thunderstorms in eastern Colorado and northeast new Mexico? what is so special about this relatively small area?

Eacg question must have a responde of 250 words with references