Jill’s cell phone rang during an exam, and other students in the class turned around and stared at her. the instructor took the opportunity to remind the class that all cell phones should be turned off and put away. both the class and the instructor used the moment to perform:

Boundary maintenance

Explanation:

Boundary maintenance -

It is the act to maintain boundaries in presence of the others in a digital or physical space .

Boundary - making can be called as the maintaining boundaries of some one's social class or to maintain the boundaries of the secondary self online .

From the data of the question , the answer will be Boundary maintenance .

d is the correct answer.

b is incorrect because it makes food by itself

c is incorrect because us humans don't know how to produce their own food using the sun like plants.

a is incorrect because consumers can depend on carnivores for eating food for consumers to eat the dead organism. same thing with omnivores.

answer; (b) ; /stronger bonds between the nations of africa