How might an author develop a key concept about the benefits of recycling?

a by providing information on the environmental impacts of recycling
b by detailing which neighborhoods recycle properly and which do not
c by instructing the reader to research recycling in their community
d a chart showing what kinds of materials get recycled would not develop the key concept about how recycling is beneficial

The correct answer is a) by providing information on the environmental impacts of recycling.

Developing a key concept about the benefits of recycling involves informing readers about how recycling positively impacts the environment. This can include discussing how recycling conserves natural resources, reduces greenhouse gas emissions, saves energy, and decreases landfill waste. Providing information on these environmental impacts would help convey the key concept that recycling is beneficial.