branches of imaan

Q:

(1) There is a hadith in Muntakhab Ahadees book which mentions 70 branches of faith (Emaan). What are those 70 branches of faith which Prophet Muhammad (Sallallahu Alayhi Wasallam) has taught?

(2) In Fazail a A'amal, it is mentioned in Fazail a Namaz that there are 70 benefits of using Miswak. What are those 70 benefits of miswak?