Derek is considered the best lecturer at Megansted, an academic institution, because he has excellent communication skills. He can explain complicated concepts in simple words and he is approachable when students have questions about the topic. This ability of Derek indicates that he possesses high ___

c. human skills

Explanation:

One is said to have human skills if such a person have the ability to work well in cooperation with other people to get things done.

The proper execution of one's human skills is often called human relations.

Human skill entails that the individual involved must be able to understand, work with, and relate to both individuals and groups to build a teamwork environment.

Ability to explain complicated concepts in simple word, excellent communication skills, and being approachable as exhibited by Derek, means that He has human skills.

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"

fertile good for trade etc