Most of our basic factual knowledge about the world is almost totally immune to forgetting and includes the names of objects, the days of the week, simple math skills, and the seasons of the year. This type of declarative memory is called memory.
a. procedural
b. semantic
c. episodic
d. eidetic

b. semantic

Explanation:

Semantic memory: In psychology, the term "semantic memory" is described as one of the different types of the declarative memory that falls under an individual's composition of long-term memory that consists of concepts and ideas and are not being drawn through his or her personal experiences.

However, semantic memory of an individual includes things that come under general knowledge for example letters sounds, countries capital, colors names, etc and are being acquired by a person throughout his or her life.

In the question above, the given statement is a type of semantic memory.