Question

consider the following research topic:
the science of compost
which book would likely include the most relevant information about this topic?
symphony of plants: composing a garden that refreshes with each season
trash to treasure: recycling keeps valuable resources out of landfills
natures recycling system: discovering how composting works

Explanation:

The topic is about the science of compost. The first book focuses on garden composition. The second book is about recycling in general. The third book directly mentions composting and how it works, which is most relevant to the topic.

Answer:

Nature's Recycling System: Discovering How Composting Works