Respuesta :
Answer:
journal article about classrooms with students of varying ages.
Explanation:
The reliable source for a presentation about education is D. journal article about classrooms with students of varying ages.
What is a presentation?
A presentation simply means a way to convey information to the public about a topic.
In this case, a reliable source for a presentation about education is a journal article about classrooms with students of varying ages. This is important because it'll contain facts by researchers.
Learn more about presentation on:
https://brainly.com/question/26453274