Professor Eric Brewer from UC Berkeley has given a keynote speech title Towards robust distributed systems, in which he discussed and pinpointed several issues to clean up the way we think about these systems. The issues include the fault model, high availability, graceful degradation, data consistency, evolution, composition, and autonomy. Based on your understanding gained from this article, answer the following:

1. BASE acronym is used to describe the properties of NoSQL databases, which is often referred to as the opposite of ACID. Describe each of BASE and ACID and elaborate the key difference between both.

2. Discuss how Brewers approach addresses the consistency, availability and partition tolerance providing suitable examples and Traits.

note: answer a and b please.