Respuesta :
When a paragraph contains two main ideas, it should be divided into two paragraphs in point C
What is a Paragraph?
This refers to a unit of writing which contains a different idea in a text and can be used to express an idea or thought.
Hence, we can see that from the complete text, there is the narration of different ideas about River Elementary School and its use of a recycling program, and point 3 is the best place to divide them.
Read more about paragraphs here:
https://brainly.com/question/14674577