Serendip is an independent site partnering with faculty at multiple colleges and universities around the world. Happy exploring!

Reply to comment

iwaldron's picture

2021 revision

The Student Handout has been revised to improve the logical sequence, clarify some of the questions, add better figures, and include an introduction to the nitrogen cycle.
Ingrid Waldron

Reply

The content of this field is kept private and will not be shown publicly.
To prevent automated spam submissions leave this field empty.
4 + 0 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.