Question

discipline (noun)

1. training people to obey rules or code of behavior
2. a branch of knowledge or field of study
3. punishment inflicted for wrongdoing
4. self - control or orderly conduct

what does discipline mean as it is used in the sentence below?
maria decided to pursue a career in the discipline of environmental science, focusing her research on water conservation.
a. training people to obey rules or code of behavior
b. a branch of knowledge or field of study
c. punishment inflicted for wrongdoing
d. self - control or orderly conduct

Explanation:

The sentence refers to Maria choosing a career in environmental science. Here, "discipline" means a field of study. Environmental science is a branch of knowledge, so the relevant meaning is a branch of knowledge or field of study.

Answer:

B. a branch of knowledge or field of study