Environmental Science for AP* (2nd Edition)

Published by W. H. Freeman
ISBN 10: 1464108684
ISBN 13: 978-1-46410-868-6

Chapter 1 - AP Environmental Science Practice Exam - Section 1: Multiple-Choice Questions - Page 29: 8

Answer

B

Work Step by Step

It is 20 percent because per capita grain production can be represented by 50/250.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.