The Answer is A. I had the same question and picked D first. D is incorrect and A is correct
If a teacher asks students to volunteer at a community nursing home after school, the option that would be a negative externality is that a student would be unable to work at her part-time job on that afternoon.
Explanantion:
A negative externality could be a value that's suffered by a 3rd party as a result of an economic dealing. in an exceedingly dealing, the producer and client are the primary and secondary parties, and third parties embody someone, organization, owner, or resource that's<span> indirectly affected.
</span>In this case, the first party is the teacher, the second party is the student and the third party is nursing home.
Answer: Interference
Explanation:
Interference theory is defined as the theory about forgetting things or events due to striving of two memories against one another to create a competing situation.It usually tends to restrict new information or any past events to be remembered or getting retrieved in mind.
There are two types of interference that take place in mind -retroactive interference and proactive interference. Retroactive interference does not retrieval of old memory through intervening with new information.Proactive interference block new information with help of old memories.
A rotating column of air is called a vortex
I think it is D. the middle kingdom.