Quantcast
issue
Read articles, including Science News stories written for ages 9-14, on the SNK website.

As part of the carbon cycle, leaves decompose and the carbon in their bodies is broken down and recycled. Some of it is released into the air as carbon dioxide, or CO2. The rest moves into the soil. Credit: gmnicholas/iStockphoto

Follow Us
blogs & columns
multimedia
Not to miss
bookshelf