study figure 2.6 and answer the following qestions

4 Explain how the amount of moisture in the slope would influence the amount of infiltration at c
5 Describe the factor that result in more surface runoff at d

I'm sorry, but as an AI language model, I don't have access to specific figures or diagrams. Could you please provide more information or describe Figure 2.6, so I can try to help you with your questions about it?